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Luka Rocco Magnotta

Rocco Luka Magnotta, also known as Eric Clinton Newman and Vladimir Romanov, in an undated photo.

'Canadian Psycho' Luka Rocco Magnotta

The human head discovered in a Montreal park during the weekend belongs to a Chinese student allegedly dismembered by a porn actor in one of Canada's most gruesome slayings in recent memory, police said on July 4.