both officers fire, shooting blevins four times. blevins later dying. at a press conference today, members of a police union said the two officers acted heroically and believed their lives were in danger. >> the whole time, he's looking back, getting position on where the officers are at to acquire a target to shoot them. >> reporter: at a later press conference, the county prosecutor took to the podium to defend the police department. but before he could announce charges would not be filed against the two officers, family and protesters rushed the podium, cutting him off. >> we want the cops arrested within the next 48 hours and prosecuted to the fullest degree of the law, because this was murder. >> and alex perez joins us live tonight from minneapolis. alex, emotions raw there. we saw the family and the protesters at that news conference today. they want justice for their family member. and the city bracing for possible more protests? >> reporter: that's right, david. another demonstration already