On August 7, 1985, five family members were shot dead in their English country manor, Whitehouse Farm. It looked like an open-and-shut case. But the New Yorker staff writer Heidi Blake finds that almost nothing about this story is as it seems.

New Yorker subscribers get early, ad-free access to “Blood Relatives.” In Apple Podcasts, tap the link at the top of the feed to subscribe or link an existing subscription. Or visit newyorker.com/dark to subscribe and listen in the New Yorker app.

In the Dark has merch! Buy specially designed hats, T-shirts, and totes for yourself or a loved one at store.newyorker.com. Learn about your ad choices: dovetail.prx.org/ad-choices