his family says jason hadn't committed any crime, nor did he likely understand why officers were even there. what you do you think police could have done differently? >> they should not have been yelling orders off the top. you've got someone who's already confused. now you stick a gun in their face and yell at them. >> reporter: when shirley harrison called 911 for help she told them her son of mentally ill and needed to get to a hospital. >> they didn't take him to parkland. they took him to the morgue. >> reporter: why did the officers open fire? dallas police wouldn't talk to us you but the attorney for the officers did. >> was there any other option other than deadly force in this case? >> no. there's not because this is a deadly force encounter, and what they -- when you respond to lethal force, you respond to that with lethal force. a taser is a less lethal item. >> reporter: soon after the shooting the officers signed