kristen lancaster was certain the man meant to kill her.like an end turned out to be the beginning of a fierce fight for the truth. back with "the face of evil," here's andrea canning. >> 19-year-old kristen lancaster was preparing to die. >> when you're possibly in the last moments of your life, when you think that someone is going to kill you, what is going through your mind? >> i had a moment where i thought about, i wish i told all the people that i loved that i loved them. >> she was in a stranger's apartment being sexually assaulted, drifting in and out of consciousness. >> i black out. but then i start to come to again. and it's -- you know the scenes in the movies where the bombs explode and everything's really fuzzy. you can't hear. everything's coming through this fog. >> suddenly, the man stood up and left the room. ordered her to remain quiet. >> and i scream as loud as i can, call the police, call the police. >> turns out, the bryan police were at the door. >> so my friend had heard me screaming and stomping and had called the

. >> kristen lancaster was a 19-year-old freshman. >> my brother actually worked with jamie at the time. i'll never forget him coming home devastated. >> a killer in a college town is terrifying. >> very much so, yes. >> this is something that happens in chicago. it's something that happens in houston. it's not something that happens in college station, in aggie land. >> kelly brown is the editor of "the eagle," the local newspaper. >> i think at the time, people are hoping this is a drifter that just kept on going. because the location of her body. >> sheriff's deputies canvassed the crime scene, searched jamie's car, and looked for eyewitnesss. >> talked to several hundred people, and no one's seen anything. >> turns out, there were no fingerprints inside the car. but during an autopsy, the medical examiner did recover dna from jamie's body. dna which likely came from her rapist and killer. did you put the dna into a database? >> we put it in codus. >> any hits? >> none. >> no eyewitnesss. no fingerprints. no dna matches. the investigation wasn't off to a good start. >> that's when we

. >> it was the next morning when kristen lancaster opened up the newspaper and learned her attacker been charged with murder. >> i felt overwhelming guilt. just overwhelming guilt knowing that he had killed someone, and, that, you know, perhaps i hadn't tried hard enough to make people believe me. >> did you feel like a life could have been saved if you had been taken more seriously? >> oh, yes. carolyn would still be here. i mean, there's no doubt. >> and what about the woman at the start of our story? jamie hart's case had been handled by the brazos county sheriff's office. but after ynobe was arrested, it didn't take long for the college station police department and the sheriff's office to compare the dna. what they found, ynobe was also jamie's killer. what's that moment like? >> i remember the feeling of wanting to feel relieved, but all i could think was, this is exactly what i knew was going to happen. he struck again. another girl is dead. and another family has lost their precious daughter. >> chuck says to this day he misses jamie and has never gotten over being viewed as