on those visual examinations that the blood stains on him was from a touch transfer versus him actually being there and having evidence spattered on him at the time of the crime. >> if he committed the murder there probably would have been some blowback or splatter on his clothing. the lab did not find any. we had to realize that keyon was not around. keyon probably didn't do this and now we had to start looking at his other lover, that being carla hughes. >> although carla initially denied having a relationship with keyon, during her second interview with police she changed her story. >> she did confess that she had lied to me and that they were sleeping together. >> six days into the investigation police got a call from one of carla's cousins. >> he tells investigators that he has in his possession a firearm that they believe was used in the death of avis banks.