bedroom, cheryl miller's former boyfriend, gabriel ferris, was on trial, now for the third time for the murder. he was facing a life sentence and his attorneys were on the attack. after pointing to other viable suspects, the defense was about to drop a bombshell. because it turns out that when the physical evidence was gathered from the crime scene 30 years ago and detectives began following leads, those dark hairs on the victim's body weren't the only crucial pieces of evidence that pointed away from gabriel ferris. the medical examiner also found something highly unusual, left behind, he believed, by the man who raped and murdered cheryl miller. >> he told the two detectives that he found a large quantity of semen, and what was remarkable was not finding sperm. >> indicating whoever raped cheryl miller was sterile. >> right. >> it was true. police and medical reports said