of a heart attack at the age of 40. although phillips bragged to his prison cell mate about killing three women, he never mentioned susan schumake, but her family still believed he was responsible. >> we thought that phillips was the murderer. and he went to jail and he died in jail. so my family consequently thought, well, this is done with. it's over. he's dead. >> others weren't so sure. >> for one thing, susan's murder was different from the others. >> most of his murders were under darkness. and that wasn't the situation with susan schumake. >> lieutenant paul echols was susan's classmate in college and had kept a picture from her case file on his desk. >> now, you could just look at that picture, you could see that this was a happy moment, a father standing with his daughter, very proud.