For 12 years the
police considered the "Railway Rapes" case closed, until
Duffy made a startling
confession that he had an accomplice,
his schoolfriend David Mulcahy.
Mulcahy photographed at a
police station in 1984.
Another mugshot of David Mulcahy
Another police search
Tourniquet made of Alison Day's blouse.
Duffy was very
interested in martial arts. He trained with swords, knives,
a quarterstaff and a garotte, and was much taken with the
martial art of Zen Budo,
which he believed dictates: "Leave
John Duffy with his wife Margaret Byrne, at a family wedding.
In 1982 Duffy was told
that he had a low sperm count witch would prevent him from
having a child. He vented his boiling frustrations on his
wife Margaret. Duffy liked to tie his wife up before having
sexual intercourse. He told her that it was her - not his -
fault that she had not become pregnant. The couple split up
twice. On one of her visits to his flat to pick up her mail,
Duffy raped her.
John Duffy "the man with the laser eyes".