or do you need a minute? man: yeah, this might be good time for a break, anyway. keith morrison: that night, whether juliette knew it or not, christopher and his drug-dealing hit man, garrett kopp, were already leaving a trail for detectives. a trail of phone calls, 17 in all, one just an hour after the murder, as christopher and juliette left the movie theater that august night. karen kahgan: the state will call garrett kopp to the stand. and here was the man on the end of that phone, the man who said he did it, garrett kopp. 25 years old, short, scruffy. the self-confessed killer shuffled into the courtroom and told a horrifying tale. how christopher instructed him to enter the house through a sliding glass door near the pool. how he'd made a sketch of the house to guide garrett down the hallway to john and susan's bedrooms. karen kahgan: what did you do at the end of the hallway? proceed to shoot. who did you shoot at first? john. karen kahgan: is that mr. sutton?