JENNER, Calif. -- Park rangers found a man's body in the parking lot of Blind Beach, a picturesque site just south of the cozy coastal town of Jenner, and authorities investigating the incident have taken four men into custody.

The Sonoma County Sheriff's Department is investigating the incident as a homicide but has released no other information, including the identities of the victim or the men in custody.

The state park rangers were responding to a separate call at 1:15 a.m. when they saw a car speeding away from Blind Beach. Officials say the men in custody were driving a car that matched the description provided by the rangers.

The killing occurred about four miles south of the spot where a young Ohio couple were shot to death in 2004 while camping on the beach. The slayings of the Christian missionaries -- 26-year-old Jason Allen and 22-year-old Lindsay Cutshall -- are still unsolved.