three years later, he came back and killed. new reporting on the fighting in gaza. is israel reporting to flood hamas tunnels with sea water? what new satellite images tell us. plus, another day, another censure, what was once rare punishment gets handed down again, this time against a democratic congressman who falsely pulled a fire alarm. it s the third censure this year. and pro trump fake electors, nevada, the top republican officials facing felony charges. our nbc news reporters are following all of the latest developments. we begin in las vegas with nbc s dana griffin, and those new details on a college campus shooting that killed three people. what more, dana, are we learning about the suspect? reporter: we ve learned the suspect s name, 67-year-old anthony polito. as you mentioned, he unsuccessfully sought employment here at unlv. if that s part of the motive, investigators haven t said so. right now on campus, we are looking over our shoulders through this bree