article_snippet: David Mulcahy and John Duffy were described chillingly as 'two bodies with one brain' for the way David Mulcahy and John Duffy hunted for women to rape and murder.
article_snippet: Alison Day (left), 19, was visiting her fiancé when David Mulcahy and John Duffy pulled her off Hackney Wick platform, raped her twice, and strangled her with her blouse.
article_snippet: As they grew older, they larks became much more sinister.
article_snippet: they planned and executed they murders together, down to the tissues John Duffy carried in a matchbox to wipe away and burn forensic evidence.
article_snippet: they went on what they called 'hunting parties' cruising along singing to Michael Jackson's hit song Thriller as they searched for lone women to rape and murder.
article_snippet: Going out at night and weekends in search of prey, they would prolong they excitement by comparing victims after each attack.
article_snippet: they tossed a coin to decide who should be first to rape before murdering they.
article_snippet: The pair raped and killed getting married in a nearby field .
article_snippet: planned a kidnap using false names and accents, kitting The pair out .
article_snippet: Nevertheless, The pair had snatched a young woman off the street in the early hours and raped a young woman in turn behind a wall.
article_snippet: The pair a joint place in the criminal record books as history