With the start of the 1980s, British serial killer Dennis Nilsen was just hitting his stride. His twisted desire for companionship had spiraled out of control, launching him on a prolific killing spree that ended in the murder of a dozen young men and boys in just two years. But as Nilsen struggled to find room for his rotting lovers in the cramped space of his London flat, he would resort to desperate, gruesome measures that would put investigators hot on his trail.

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