E3b1 The case of John Duffy

Question 1

Facts of John Duffy’s case

Answer 1

1) 26 sex attacks
2) three murders
3) all committed against young women
3) all offences committed in and around London, near railway stations

Question 2

Witness reports of John Duffy’s case

Answer 2

1) women approached near railway stations
2) man attempted to talk to them before attacking
3) forced to side street, track or alley where public couldn’t see them
4) most women reported man used knife and restrained their hands with rope, tie or clothing worn by victim
5) attacker talked to them throughout attack- tried to form relationship
6) afterwards, the man cleaned them and tried to remove physical evidence

Question 3

David Carpenter

Answer 3

The offender profiler for John Duffy’s case

Question 4

Murder victim details of John Duffy

Answer 4

victim 1) Woman attacked near railway station- hands tied, evidence she was strangled. Knocked unconscious before attack. Found 17 days afterwards in canal besides the station, pockets filled with stones

2) woman knocked off bike and dragged to side road. Fishing wire found tied between 2 bushes near her body- could have been used to knock her off bike. She was tied and strangled. Hands tied behind back, attacker tried to burn the body
3) Attacker approached woman when she left train station and was unlocking bike. Hands tied behind back and suffocated

Question 5

Profile of John Duffy

Answer 5

1) was small/ weak man- tied up victims, unable to restrain them during attack. Was able to approach victims without seeming a threat.
2) lived in London
3) Married with no children, had problems with marriage
4) unattractive
5) interest in martial arts
6) semi-skilled carpenter
7) link to British Rail
8) 20-30 years old