nor did he know that christopher's friend, garrett kopp was one of his best clients. kopp it turned out had been buying and sometimes reselling the drugs, mostly marijuana and and he and christopher spent plenty of time sampling the goods, according to prosecutor kathleen hoeg. it wasn't just drug deals. hung around a lot. playing video games. in the months after the phone records showed a spike in the number of calls. 300 calls in three month. >> that's an awful lot of drugs to be dealing with three months. >> could they have been talking murder? speculation, of course, but then after the murder when kopp was arrested on the gun charge prosecutors discovered it was christopher who put up the money to bond him out, even drove him to court. hard lit sort of thing that a drug dealer would do for a mere customer. >> going to court with him, bonding him out. there was more to this friendship. >> john and melissa sutton knew nothing of what police were discovering. christopher and his girlfriend were still living with john. garrett kopp was still coming around, so solid ev

garrett kopp was 20. a visitor around the sutton house. didn't seem to hatch a job or any direction in life. but christopher saw some good in him apparently. hired him occasionally to do odd jobs. in fact after the murder, christopher had kopp rip up and remove the bloody carpets from the crime scene. >> reporter: what sort of person did he seem like? >> when garrett was in the house, he was always, shall we say at a distance. i honestly cannot recall any conversations whatsoever with garrett. >> reporter: but kopp and christopher called each other all the time. even the night of the murder. an hour after the murder. just when christopher and juliet were coming out of the movie. >> we pulled the video from the amc movie theater. it showed him getting right on the cellular telephone right after all the shooting happened. >> reporter: was there a connection here with what happened? again, probably not. but, just to cover all the bases detectives ran a criminal background check on young mr. kopp. and what do you know? >> he was arrested on au