minneapolis, the trial of former officer derek chauvin continuing. and there was emotional testimony from george floyd s brother and from a cardiologist who said george floyd s death was, quote, absolutely preventable. here s abc s alex perez again tonight. reporter: emotional testimony as the prosecution moves to wrap up their part of the case before the defense gets its turn. the jury today hearing from george floyd s younger brother philonise floyd, describing this photo. that s my mother. she s no longer with us right now, but that s that s my oldest brother george. i miss both of them. reporter: in his final moments, george floyd called out for his mother. on the witness stand today, his brother describing their relationship as one of a kind. he was a big momma s boy. he would lay just lay up onto her in the fetus position like he was still in the womb. he showed us, like, how to treat our mom and how to respect our