CNN CNN Special Report March 29, 2015 03:33:00
To reigniting the cold case and unraveling the mystery. san bernardino district attorney, michael ramos. >> that was a huge break because up until that time, there was really no evidence of a murder. >> now, there were more than 100 new pieces of evidence. like tire tracks nearby and clothing in the graves. >> you're going to look and pick up anything that's anywhere near the desert that could tie an individual to it, tie a vehicle to the location, perhaps a murder weapon. >> finding the remains and the new evidence meant learning the cause of death, blunt force trauma. >> they were brutally m...