Keith Jesperson, 67, from British Columbia, Canada , killed at least eight women while traveling America s highways as a long-haul rig driver in the 1990s.
A California woman recently discovered that the her sister was the last unidentified victim of the Happy Face Killer that was discovered through DNA testing.
A serial killer nicknamed the Happy Face Killer confessed to murdering the woman found more than 30 years ago in Blythe, California but her name is still unknown.