Dennis Nilsen: The Kindly Killer (Part 3)

(Part 3 of 3) On the morning of February 8, 1983, a plumber working in London’s Muswell Hill neighbor opened a drainage cover behind a Cranley Gardens apartment building and made a horrific discovery—the drain was blocked by pieces of bone and human tissue. Upon investigation, detectives traced the blockage back to one apartment in the building, where additional evidence suggested things were far worse than they’d initially thought.