if they can get a name. they could have pictures of this guy coming in and out, driving up. this is how investigators do this stuff. it's going to take a little bit of time . the media will have to be a little patient because they don't want to release too much information right away. we don't want to scare this guy off and make it a national manhunt. >> we're working on getting our viewers a better picture of this man so they can help as well. alison parker was just 24 years old. she was the reporter who was shot and killed. she was engaged to be married. she was looking forward to her marriage and a happy life. and oddly enough she appeared on cnn with me thanksgiving of 2014. i want you to get to know alison parker better. let's watch that report from 2014. >> what it looks like in roanoke right now. this is alison parker from wdbj