Herbert Mullin killed 4 teens who were camping at the state park. In 1981 it became a crime scene again when serial killer David Carpenter shot a hiking couple, killing the female hiker. See also List of California state parks References External links Official Henry Cowell Redwoods State Park website Santa Cruz Wiki: Henry Cowell Redwoods State Park State parks of California Parks in Santa Cruz County, California Coast redwood groves Santa Cruz Mountains Old-growth forests Parks in the San Francisco Bay Area Protected areas established in 1954 1954 establishments in California Lime kilns in the United States