videos of his son at snack time. you want it? >> yeah. >> did ross love his little boy? >> yes, he did. very much. >> did you ever see ross express anger or hatred or malice toward his son ever? >> no, never. >> reporter: then came that terrible day. the courtroom was silent as leanna described arriving at cooper's day care and being told he wasn't there. >> she said, he didn't come today. and i just kind of went into a panic. i didn't know what to do. i was just -- it didn't make sense. cooper was supposed to be at day care. i was supposed to be the one to pick him up. it didn't make sense. the only thing that made sense to me, based on everything that i knew that day, ross must have