Here is the list of shootings, that we know of.
MCSP=Malibu Creek State Park
Nov. 2016-Tapia Trail (just south of MCSP), Adult male, while sleeping in his hammock, was shot at close range with a shotgun. Needed surgery to remove pellets from his arm.
Jan. 2017-MCSP, 5Am, While sleeping in their Honda, an adult female and her boyfriend are shot at close range by a shotgun. No injuries reported.
June 18th, 2018, MCSP, (4:30AM?) Adult male reports finding gunshots on his parked vehicle. No injuries reported.
June 22, 2018, MCSP-campsite 49, 4:45AM, Tristen Beaudette, 35. Shot and killed while sleeping with his two young daughters, ages 2 and 4.
Campers recall previous shootings at California site where renowned scientist was killed
Second shooting at Malibu campground where father found murdered in front of two young daughters