dramatic, hands in the air, looking up towards the sky, what have i done type of thing. reporter: but police say it was all an act. when officers asked harris basic questions about his story, they say those answers just did not make sense. then police say harris cursed and screamed at them. they took him to police headquarters, questioned him further and ultimately charged him with cruelty to a child and felony murder. he s fully aware of what he s charged with and will enter a plea of not guilty at that time. reporter: more than 10,000 people signed an online petition urging the district attorney to drop the charges. i think it is impossible for this to have been intentional. there is no way it would have been intentional, especially from the father s reaction. reporter: investigators disagree a. cobb county sergeant tells cnn what i know about this case shocks my conscience as a police officer, a father, and a grandfather. now, what investigators want to know is why. vict