be contributed to heavy influx of anchovies. their main food supply. >> it is massive. >> it is very cool. >> the last time account wa this high was 20 >> norah: chaos on college campuses. >> free, free, free palestine! >> norah: pro-palestinian protesters break in and occupy a columbia university building, as tensions grow at schools across the country. >> they keep us safe! >> norah: the "cbs evening news" starts now. ♪ ♪ good evening. i'm norah o'donnell, and

thank you for being with us. we are going to begin with the crackdown on increasingly defiant and dangerous protests on college campuses across the country over the war in gaza. tonight, at columbia university, the epicenter of the demonstrations, dozens of pro-palestinian students have barricaded themselves inside a campus building, and they now face expulsion from the ivy league school. a white house spokesman today saying "forcibly taking over buildings is not peaceful, it is wrong." at the university of north carolina in chapel hill, police forcefully removed protesters this morning. more than half of those arrested were not even affiliated with the university. in recent weeks, protests have been staged at more than 60 campuses. more than a thousand people have been arrested. many protesters are calling for the schools to cut ties with companies linked to israel and to be transparent about their investments. cbs's tom hanson leads us off tonight from columbia university in manhattan.

>> reporter: dozens of pro-palestinian protesters smashed their way into hamilton hall on the campus of new york's columbia university early this morning. >> they barricaded themselves in. they brought chairs out, blocked the doors, and they moved outdoor heavy metal tables, blockade of the doors, formed human chains in front. >> all the parents, mothers, fathers! >> reporter: once inside, the demonstrators hung a banner with the word "intifada," the arabic word meaning "uprising." today, the white house said president biden condemned the use of the term, along with other dangerous hate speech. the students are demanding that columbia divest and sell its investment in companies linked to israel, which the university has rejected. when you hear the conversation about divestment, how does it make you feel? >> well, personally, i don't agree with bds or divestment, but i believe in free speech, and i think it's a conversation that should be had on campus. >> reporter: this latest escalation comes a day after university officials warned the

students to dismantle their encampment or face suspension. in defiance, they set up a second one. how do you think this all resolves? on columbia? >> i'm not a fortune teller, but i think, i mean, the students have made it very clear that, like, what they want is for their demands to be met, and as long as, like, those demands are not met, they will continue to hold their ground. >> reporter: jewish students on campus say the atmosphere has become intolerable. >> when we talk about feeling unsafe on campus, we are not lying. this is a threat. >> reporter: police at the university of north carolina were outnumbered as students threw debris at them, forcing some to use a chemical agent as they retreated. in new orleans, part of the uptown campus at tulane university closed today after students and outside protesters clashed with police. and tonight, columbia is

threatening to expel student protesters occupying campus, but the school has still not given any indication how they are going to clear the encampment. in a press conference, new york city mayor eric adams says we cannot call for peace by using violence. norah? >> norah: tom hanson, thank you very much. the third week of donald trump's new york criminal trial started with the threat of jail time for the former president. the judge held the presumptive republican nominee in contempt of court for violating a gag order, forcing him to pay fines and take down social media posts. trump is facing 34 felony charges related to so-called hush money payments to porn star stormy daniels. cbs's jericka duncan reports from the courthouse. >> this gag order is not only unique, it is totally unconstitutional. >> reporter: the $9,000 in fines are the result of nine instances where the court found donald trump disparaged witnesses online against the judge's orders. judge juan merchan acknowledged the fines might not be enough to deter trump and warned more violations could result in jail time. >> judge merchan did exactly

what should be done, and probably what was expected to be done. >> reporter: as court began, for the first time, one of trump's children, eric trump, joined the former president. prosecutors played videos of trump weeks before the 2016 election, responding to allegations he sexually harassed women, concerned about how it could impact his chances of becoming president. >> i have no idea who these women are. if 5% of the people think it's true, and maybe 10% think -- we don't -- we don't win. >> reporter: the focus then turned to keith davidson, an attorney who represented stormy daniels and karen mcdougal. both claimed they had sex with trump, which he denies. davidson first described bringing mcdougal's tale, which he called a blockbuster trump story, to the "national enquirer" and warned he would bring it elsewhere if they didn't quickly pay her. davidson also says it was the "access hollywood" tape where trump was caught saying he could

grab a woman by their private areas that had a "tremendous influence on interest in stormy daniels' story." davidson believed he had reached a deal with trump's attorney, michael cohen, in early october of 2016, but says it took longer than expected to finalize. when the prosecution asked why, davidson said, "i thought he was trying to kick the can down the road until after the election." now, the gag order does not prevent donald trump from speaking to the press, as you've seen, but it does prevent him from making public statements about witnesses, jurors, or other people connected to this criminal case. now, on thursday, the judge is expected to hold another hearing, norah, that will review four other potential gag order violations. >> norah: jericka duncan, thank you. tonight, a historic shift in u.s. drug policy is in the works. sources tell cbs news the justice department is moving to reclassify marijuana as a less dangerous drug. cbs's weijia jiang is at the

white house. she joins us now. good evening, weijia. so this will be a major reform. how is it going to work? >> reporter: good evening, norah. this is the most significant change in u.s. drug policy in more than 50 years. so, marijuana, which is now classified as a schedule one drug, like heroin and illicit fentanyl, would be reclassified as a schedule three substance, like ketamine and steroids. drugs in this category are considered less dangerous and less addictive. it also means the consequences for using them are less vere the drugs, so even if pot ises reclassified, the change would not legalize marijuana for recreational use, so it's not like you'd be able to get it at your neighborhood pharmacy. 24 states and washington, d.c., have legalized marijuana, and 14 others permit its use for medical purposes. the white house is not commenting on the proposed rule, but it was president biden who called for a review of federal marijuana law back in 2022, and he pardoned thousands of americans convicted of simple possession. tonight, a former white house drug policy advisor to presidents obama, bushand clinton, is slamming the

proposal, arguing there serious health and mental consequences of using pot, and if the drug is reclassified, he plans to challenge that decision in court. norah? >> norah: really interesting. weijia jiang, thank you. we are learning new details tonight about the deadliest attack on law enforcement in nearly a decade. four officers were killed and four others wounded as shots rang out when they tried to serve a warrant in charlotte, north carolina. cbs's dave malkoff has more on the fallen officers. >> reporter: police say 39-year-old terry clarke hughes, armed with an ar-15 rifle and a .40 caliber handgun, opened fire from an upstairs window of a house, as a u.s. marshals task force attempted to execute

an arrest warrant for him in a charlotte, north carolina, house on monday afternoon. several officers immediately came under fire as others rushed in to help. >> to me, that's truly heroic, when you hear the gunshots and the rapid fire, and they are running directly into it because they know that there are people that need help. >> reporter: hughes then attempted to leave the house and was shot dead. two women were eventually taken into custody after an hourslong standoff. neither has been charged. tonight, we are learning more about the four officers killed. deputy marshal tom weeks, who leaves behind a wife and four kids. william "alden" elliott and sam poloche, both 14-year veterans of the state department of corrections. and joshua eyer, a cmpd police officer who died at the hospital. deamonte white knew officer eyer. he was the school police officer who inspired him to serve. >> you know, when danger strikes just like any other officer,

he's going to get out there. >> reporter: today, remnants of the chaos remain. the house partially destroyed and covered in bullet holes. and a solemn procession carrying the fallen to their resting place. >> the last few days have... it's just been very tough. >> reporter: i got to tell you, it was moving in that room when chief jennings was remembering his friend. the chief was just with officer eyer when he awarded him as officer of the month for april. and norah, he leaves behind a wife and a 3-year-old boy. >> norah: it is just devastating. dave malkoff, thank you so much. the u.s. may soon welcome some palestinians from gaza as refugees. cbs news has obtained internal documents showing senior biden administration officials have

discussed several options for resettling a small number of gaza residents. it would include those who have immediate family members who are u.s. citizens or permanent residents. in the last fiscal year, the u.s. resettled 60,000 refugees from around the world. just 56 were palestinian. tonight, secretary of state antony blinken is in israel for talks as the biden administration presses hamas to accept a deal to release some hostages in return for a temporary cease-fire. but cbs's debora patta reports israel's prime minister says even if there is a deal, he intends to go ahead with a ground invasion of the southern gaza city of rafah. >> reporter: protesters are turning up the heat night after night, demanding prime minister benjamin netanyahu bring the hostages home, whatever the price. for netanyahu, it would mean delaying the rafah invasion and alienating hard-liners in his government, a price he is not yet ready to pay. "we will enter rafah because we

have no other choice," he said today. as the secretary of state lands in tel aviv, hamas is weighing up the hostage proposal. >> no more delays. no more excuses. the time to act is now. >> reporter: he is here in a last-ditch bid to secure a deal to stave off the rafah offensive and ensure gaza is flooded with humanitarian aid. the threat of a ground invasion terrifies adnan abu assi. he's done living as a refugee in rafah and returned to what's left of his four-story family home outside khan yunis today. "everyone is putting up a tent on top of the rubble of their homes," he said, "because they want their lives back." abu assi has nothing and walks several hours a day to find water or a tin of food. but at least here he has dignity, he says, and his memories of what was once the

most beautiful place in gaza. and a glimmer of hope in gaza. today, the world central kitchen resumed work almost one month to the day seven of its workers were killed in an israeli strike. they provided 200,000 meals to displaced palestinians and say they have trucks ready to enter gaza with enough food for 8 million more meals. norah? >> norah: they are doing heroic work. debora patta, thanks. there was a horrifying attack today in london. police say a man drove into a house and then began stabbing people with a sword. doorbell video shows police using a taser to subdue the subject -- suspect, who was arrested, but not before a 14-year-old boy was killed. four other people were hurt, including two officers. investigators don't have a motive, but do not believe this was an act of terrorism. tonight, millions in the central u.s. are on alert, as tornado watches are in effect. the latest round of severe weather includes the threat of large hail, heavy rain, and 70 mile-per-hour gusts. meteorologist chris warren is

tracking it all with our partners at the weather channel. good evening, chris. >> good evening, norah. with the ongoing cleanup and recovery efforts, an increasing chance for more storms. that threat continues tonight and again tomorrow, for some of the areas that were hit by tornadoes over the weekend. the storms continuing to increase during the nighttime hours. the future radar shows that. the tornado threat is there. the possibility for tornadoes. winds could be damaging up to around 75 miles an hour. these storms are also going to be bringing hail and very heavy rain. that flood threat will be with us here from texas, all the way up to minnesota, and, norah, once again, tomorrow, another tornado threat. >> norah: chris warren, thank you. the fbi says scammers are getting rich off america's seniors. today, the bureau reported complaints by elderly victims jumped 14% last year.

total losses to those over the age of 60 ballooned by 11%. cbs's nicole sganga has important information on how to protect your savings. >> all of a sudden... >> reporter: reverend malcolm frazier was browsing his computer when the screen froze. >> a message jumped out, said, "do not turn off your computer, please call this number." >> reporter: a scammer persuaded him to transfer tens of thousands of dollars in savings or lose it all. you thought you were talking to the bank, and you were talking to a scammer. >> exactly. >> reporter: it's called elder fraud crime, and americans over the age of 60 are now falling victim at record numbers. >> financial fraud is definitely on the rise, and particularly targeting our elderly population. >> reporter: last year, $3.4 billion was stolen, according to a newly-released fbi report, with more than 100,000 complaints filed to federal law enforcement last year alone, driven by criminal networks operating in west africa and asia. >> organized networks of individuals who are

well-financed, well-resourced, and are using technology. >> reporter: still, experts say the crime targeting seniors is grossly underreported. aarp estimates more than $28 billion is stolen due to elder fraud scams each year. they are now launching a public awareness campaign nationwide, as the fbi visits senior centers, churches, and rotary clubs. >> if you've never met somebody in person, the best advice is to not send them any money. >> reporter: convincing members of america's silent generation to stay vigilant, and to speak out. >> just don't fall for it. hang the phone up. >> reporter: fbi officials are also urging financial institutions to create more guardrails, fraud prevention measures that would help stop seniors from sending large sums of money to strangers. norah? >> norah: such an important story. nicole sganga, thank you. a tragic accident in arizona involving a bounce house.

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>> norah: in tonight's "health watch," new guidelines are being issued for breast cancer screenings. regular mammograms are now being recommended to start younger, at age 40, and women up to 74 should get screened every other year. previously, the u.s. preventative services task force recommended that women get the exams every two years starting at age 50. the updated guidelines do not apply to women with a history of breast cancer or who have a genetic marker, such as the brca1 or brca2 genes, that may put them at higher risk. remember, those patients should consult with their doctors. breast cancer is the second most common cancer among american women, after skin cancer. earlier screenings are meant to address the rise in breast cancer among women in their 40s and the higher death rates from breast cancers among black women. it's estimated the new approach will save about 20% more lives. we should tell you that experts we spoke with say these guidelines don't go far enough,

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♪ ♪ ♪ ♪ >> norah: finally, tonight's "heart of america." meet billy the barber. billy dinnerstein is the owner of your kind of cuts in nutley, new jersey. his barbershop gives haircuts to children and adults with autism, sensory issues, and other developmental disabilities. their services are so unique and special that some of dinnerstein' customers even fly y in from out of state, and it has made him a big star on social media. the haircuts at his shop have a specialize brand of patience and kindness customized to each customer's individual needs. his barbers are trained to make everyone feel comfortable and to make sure every visit is a positive experience. >> i can present an atmosphere or an environment for you in a tough situation that helps you a little more comfortable moving forward, that's my goal, right? at the end of the day, you know, i'm not here trying to win any awards for being barber of the year. i mean, you're just trying to help kids. >> norah: billy dinnerstein, a barber who is a cut above the rest, and he's tonight's

"heart of america." and that's tonight's . i'm juliette goodrich, here in the bay area, wanted, mail carriers. hundreds of jobs are up for grabs but will recent attacks turn applicants away? >> you have to assess the risk with anything that you do. [ crowd chanting ] >> you have had your chance. this is our press conference. >> reporter: quite the circus in alameda county. supporters of pamela price face off. the big decision today about a recall election that had the da herself sounding off. this is not about public safety. it does not appear to have a basis other than a racism. >> we are not going to wait

eight months for a recall opportunity. >> it is a brand-new fitness craze inspired by military training. >> you can rock on a dog walk, you can rock in between your kids baseball games. >> so, what exactly is it? vern puts on the backpack and gave it a try. >> this is cbs news bay area with juliette goodrich. thank you for joining us at 7:00. if you are at the local post office or they come to your home to deliver your mail, postal workers are part of our neighborhoods, you may know them by name. recently they have become targets of for thieves. some cases attacked on the job. right now the postal service is trying to fill 600 positions, it held a job fair today. amanda caught up with jada an applicant who is holding out