>> charged with murder and child cruelty, ross harris seemed emotional several times as prosecutors dropped a series of bomb shells. >> the most common term would be sexting. >> detective phil testified he was leading a double life. exchanging text messages with up to six women. >> we plan to show he wanted to live a child-free life. >> one of the women had reservations about the online relationship. >> she said do you have a conscience. >> what was his response? >> nope. >> harris' attorney objected. >> there's no connection whatsoever between the events of that day and death of this child and this fantasy texting or whatever it is. >> the detectives said before cooper died, harris had done online research about child deaths in overhitted cars, how to survive in prison, and sights