he does not know who garrett warren was. barbecue. >> detectives kept questioning quiroz. because they knew that whoever wanted garrett dead -- is from after the shooting. meaning that it's not so much a hit to note as a note explaining to someone how to go back and finish the job. >> it is a re-hit if you want to call it that. >> that finish the job note, says chun, started to unravel the mystery. >> that was kind of what's broke the case open. and that was quite frankly the lifeline we had on this case. >> the one unavoidable piece of evidence that finally cracked miguel quiroz. >> we go back round and round about this and finally he admits that he was one of the middlemen. >> miguel quiroz admitted that while he wasn't the shooter, he was in on the plot. and that he was caught by his own carelessness. >> he explained that that hid note had been sent directly to him, that he had put it under the spare tire, in the trunk of his car, and literally, he said, he had forgotten about it. >> so the reason you ended up fighting tha