killing. there was a tense moment today during cross-examine. ex-officer tutau snapped at the prosecutor for asking why he didn't tell derek chauvin to get off george floyd's neck. joining me now civil rights attorney areva martin. ar areva, thank you very much. so here we go with what's happening in the courtroom here. here's how ex-officer tao responded. he said i think i'd trust a 19-year veteran to figure it out. he along with his former colleague jay alexander king are charged with failing to intervene in chauvin's use of unreasonable force. is referring to a colleague an excuse? >> i don't think it is. we're seeing blame shifting, right? they're trying to make derek chauvin the responsible party and relieve themselves of any responsibility to what happened on that day, the day we know chauvin kneeled on george