Robert Michael Spector was an 18-year-old from Santa Cruz, California, who was shot dead on February 10, 1973, while camping in Henry Cowell Redwoods State Park. He and three other teenagers — David Allan Oliker, Brian Scott Card, and Mark John Dreibelbis — were approached by Herbert Mullin, who returned the next day and shot all four. The bodies were found a week later, on February 17, 1973.

Herbert Mullin, later linked to a total of 13 killings in Santa Cruz and Santa Clara counties, was arrested soon after these murders. He was charged in the deaths of Spector and the other teenagers; his defense at trial argued insanity, and he was convicted and sentenced to life in prison. The killings were tied by Mullin to voices he claimed instructed him to kill to prevent an earthquake.

Does anyone have memories of Henry Cowell Redwoods State Park in February 1973 or information about Spector and the other victims?