beyond. cnn's athena jones is in pittsburgh where the district attorney just released more detail about what all has happened. athena, what have you learned? >> reporter: hi, kate. so much information coming out of this press conference with district attorney stephen zavala that just wrapped up. he wants ask the jury consider all levels of homicide. it is unclear whether this would be first degree, second degree, third degree. he said thevidence supports the third degree and they want to argue for murder in the first degree and the penalty for that is life in prison. the district attorney described officer rosfeld's act as an intentional act, done recklessly, and there was no justification for it. antwon rose did nothing in furtherance of a crime and that is why they would ask they to consider all levels of homicide. stephen zavala said you do not shoot someone in the back if they are not a threat to you. he didn't know exactly how many seconds passed between officer