been performed on brad's robe, but where were the results? she has the highway patrols for them. >> and they didn't send them to me. >> so she wrote to them again. >> i said all right they are there, i have photographs, i know they are there. send me the results and then they sent them. >> and, the tests were conclusive. there was no gunshot residue on brad's black bathrobe. just as there wasn't any on his hands tonight lisa died. meaning brad almost certainly did not fire the gun that killed lisa. but why didn't lead investigator dan nash revealed that? well, he said he never received those results. plausible? >> not in a heartbeat. no, i was a prosecutor before this, my spouse is a police officer. dwight is a police officer, we know the care that goes into building a case. and that is not a step that you skip. dan nash had specifically asked for that test to be done. >> so, by now dwight was