>> garrett: waiting in anguish, the families standing by for updates, questioning why the search isn't moving faster, their frustration turning to anger. >> we have told the authorities if you're not willing to go in,, let let us go in. >> garrett: warning signs: reports of constant flooding, creaking sounds at night, and complaints from residents. new questions about the 40-year- old building. could the collapse have been prevented?aw and the lawsuit just filed. also breaking tonight, a minneapolis judge sends former police officer derek chauvin to prison for more than two decades for murdering george floyd. the emotional statements in court. >> if you could say anything to your daddy right now, what would it be? >> it would be i miss you and i love you. >> garrett: plus, chauvin breaks his silence. what he told floyd's family. on the border: the vice president travels to el paso, as critics complain the biden administration isn't doing enough to stop a surge of migrant crossings. and cbs' steve hartman on