Tuolumne County Sheriff's Office, California
End of Watch: Friday, May 5, 1967
Age: 42
Tour of Duty: Not available
Badge Number: Not available
Cause of Death: Automobile crash
Date of Incident: January 21, 1967
Weapon Used: Not available
Suspect Info: Not available
Investigator Marks succumbed to injuries sustained in an automobile accident four months earlier in Fremont, California. The accident occurred while he was returning to Sonora after interviewing a jailed suspect.