Are the shootings at Malibu Creek State Park related?

About a month ago, a man was fatally shot in the head while camping at Malibu Creek State Park with his two daughters. The park has been closed since. Last week, sheriff’s deputies received two new reports of shots fired at the park near the campground where the man was killed. Overall, there have been seven reported incidents involving gunfire at Malibu Creek over the last two years.