ITV will again delve into the case of Dennis Nilsen – one of the country’s most notorious serial killers.Last night, on September 14, the nation witnessed David Tennant’s chilling portrayal of the killer, who murdered 15 men in London in the 1970s and 80s.Nilsen first murdered 14-year-old Stephen Holmes, embarking on a killing spree which would last five years.The Scottish killer’s second victim was Canadian tourist Kenneth Ockendon.The 23-year-old was touring England while visiting relatives before he fell into Nilsen’s depraved clutches.He met Nilsen at a pub in the West End of London on December 3, 1979.After learning he was a tourist, Nilsen offered to show him the sights.Nilsen spent the whole day with him, taking in the sights of.
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