three years later he attacked renee dulany. despite his meticulous cleaning of that crime scene, he still left biological evidence behind. the dna from renee's rape kit and the single hair from tammy's bed ultimately tied him to both crimes. rudy gaytan was convicted of second degree murder in the death of tammy tatum and first degree sexual assault of renee dulany. >> he chose to kill her, and i got to live. i felt responsible to make sure i, you know, live a good life because hers was taken from her. >> gaytan was sentenced to a total of 72 years for both crimes and will not be eligible for parole until he's 103 years old. >> forensic evidence and the emerging technology of dna was critical in the solving of this case. without the dna evidence that was recovered from tammy tatum, this case would have never been solved. >> i always knew that the technology would catch up with the samples that they had. i never gave up hope. i never gave up hope. this had to be done. it had to be resolved. and i knew it would be >>> this young c

. >>> renee dulany was sleeping in her apartment in longmont, colorado, when an intruder broke in before dawn and sexually assaulted her. >> i was just trying to remember details about him for the police, but you just have to kind of shut it out. there's not a whole lot you can do. you can't really absorb what's