Dennis Nilsen, who brutally murdered at least 12 young men and boys. During the three episodes, there were open discussions about boiled heads, dismembered bodies and Dennis' engagement in sexual activity with dead bodies.It's reported that the frequent chain-smoking that was aired also prompted seven viewers to complain to the broadcasting watchdog Ofcom.A spokesperson for Ofcom told Daily Star Online: "We have seven complaints against Des."Viewers complained that they left unable to sleep after watching the harrowing scenes.Taking to Twitter, one penned: "What an amazingly, chillingly disturbing series.
And those last five minutes – when I tell you I was terrified. Well done to the cast, crew and everyone involved."A second added:.
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