david strickland.olice wanted to hear what he had to say that they were not the only ones. >>> first game dylan. cleared by police and by his height. then chris melcher. cleared biographyby. his dad is a successful man. three years in the military and then remarried. saw photographs of his possessions. which had been seized at the time of arrest on the gun theft charge. >> i'll never forget the first photograph that popped up. it was a glok 45 caliber pistol and under armour glove and you could see clearly the white under armour logo. >> i know that because i played softball and that stuck out to me right away. >> immediately sent strickland's gun to be tested. to see if it had been fired at the crime scene. >> what that report said the two shell casings found at the scene and two shell casings from the test fire were linked to the same weapon. >> for detective, that report was the missing piece of the puzzle, which he he believed now directly linked david strickland to the shootings. >> the day i look