Advertisement The best of movies, TV, books, music, and more, delivered to your inbox. We encountered an issue signing you up. Please try again. Please enable javascript to use form. Email address: Send me updates about Slate special offers. By signing up, you agree to our Privacy Policy and Terms. Sign Up Thanks for signing up! You can manage your newsletter subscriptions at any time. This show argues that the Son of Sam killings were committed by a Satanic cult with ties to Charles Manson? Sort of! Zeman tries to split the difference between presenting Terry’s theories as fact and telling a cautionary tale about obsession and conspiratorial thinking, and at times you can feel the show collapsing under these opposing pressures.