David J. Carpenter
"The Trailside Killer"
- Mad or Bad?: Bad
- Dates of Killings: 1979 - 1981
- Location: California
- Victims were stabbed or shot.
- Victims were killed while in a kneeling position.
- All victims were found in parks or on trails.
- He had an impressive record of armed robbery and sexual assault.
- He was a suspect in the "Zodiac" killings.