he wanted to be friends with everybody. >> i'm roy mccowen, i'm the father of chris mccowen. christopher mccowen is a player. he's not a murderer. when i read about the knife in the woman's chest, stuck it so hard where it stuck to the floor, i said, there's no way in the world that's chris. christopher loved his job. he always wanted to move up, wanted to get his own truck and he wanted to partner with his boss, so, i thought that was great. >> i met with chris mccowen. in my mind, he was not a person capable of this type of crime. there was no motive. it's a guy who was a father, who loved children. >> chris's daughter was the same age as ava. same age as ava. >> this is not a cold, deliberate, calculating person. this is not a person who had a reason to do harm to another. >> there are a number of people who don't believe that christopher mccowen could have or would have done this and that includes his boss. >> they've got the wrong person. this person just would not do that. when he would get in an argument with another driver over some silly thing, and chris would just w