The Naval Criminal Investigative Service (NCIS) is investigating the death of a Marine at Camp Pendleton on Monday morning as a possible suicide, according to the North County Times:
[T]here was no immediate indication that it was not a suicide. The Marine Corps does not routinely report where its suicides occur, but 11 of the suicides last year were Camp Pendleton Marines, according to statistics provided to the North County Times.
Camp Pendleton officials told the North County Times the Marine, a young adult male, died at 9:40 Monday morning. No other information about the deceased has been released.