brown. >> it's just seems out of character for ross and i know people change. it's been 15 years or so since we've had contact in the church. so, you know, people change. but -- it's just hard for me to imagine that that is the ross, the sweet ross harris, sweet little funny boy that we knew. >> reporter: a lawyer has instructed harris's family not to speak to the media. those who have spoken off camera say a man with the moral fiber of harris would not be capable of killing his son. left in the car for seven hours, cooper harris died. what is still unknown is what could have motivated harris as police say to kill his only child. outside the university church of christ, friends and family grieve waiting to find out if baby cooper's death was a terrible accident or something more sinister.