1-9 Reconstruction & Re-Enactment

1

Identification & Individualisation

Identification

What is it? 1 Looking at it

Chemical or

biological tests

2


Identification

What is it?

Classification?

1

2 Class characteristics

3


Identification

E.g. A shoe What type? 2

What brand? 1

Men’s or ladies’shoe?

3

4


Identification

E.g. A fibre Cotton, wool, nylon?

What kind of fibre?

E.g. A shoe

1

5


Identification

What calibre bullet? 2

What kind of bullet?

E.g. A bullet

1

E.g. A fibre

E.g. A shoe

6


Individualisation

Narrowing class to one 1

Identification

What is it?

Classification?

1

2

7


E.g. A shoe

Identify whose shoe it is

Not always possible to do so

Identify shoe brand

8


Who is the manufacturer?

1 E.g. Clothing

Individualisation

Fingerprints?

9


Serial number? 1

2

E.g. Clothing

Individualisation

E.g. Tool

10


Individualisation

Trace elements or impurities?

E.g. Of chemical origin

1 E.g. Clothing

E.g. Tool

11


Individualisation

Blood type?

E.g. Of chemical origin

1

E.g. Tool

E.g. Biological samples

DNA analysis 2 E.g. Clothing

12

Forensic

evidence

Fibres

Hair

Blood

Broken glass

Fibres

Paint

Fingerprints

Shoeprints

Comparison leading to Association

13

Reconstruction Re-enactment

Understanding past events

Re-do one of the events

1

2

Part of reconstruction 1

Reconstruction & Re-enactment

14

July 2005

London Bombings

15

2005 London Bombings

July 7 bombings

4 bombs exploded

on public transport

52 people killed After the bombing

16


July 21

Abandoned bomb found

Terrorists arrested

Failed repeat bombing

17


Abandoned bomb found

How the bombs

were constructed

What the bombs

were made of 2

1 Detonator

Home made

explosive

18

Bombers

Four attempted to detonate their bombs

One abandoned his bomb

19

Bombers

Numerous forensic and CCTV evidence

Defense

Motive

Cannot claim those people

were not the bombers

Hoax bombs

20

Mens Rea

What was their intention?

Built for hoaxes?

Built to cause destruction?

Use forensic science to determine if bombs were

21

Mens Rea

Reconstructed bomb

Re-enactment of explosion

Intention to cause death and destruction

Not a hoax

22

“Brides in

the Bath”

George Smith

23

George Smith

Marry women

Steal their money

Murder them

1

2

3

24

Smith’s wives

Took a bath

Had an epileptic fit

Drowned

No sign of struggle

or bruising

Died the same way

Bathtub

25

“Brides in the Bath”

Married seven women

Question Drowned accidentally?

Murdered?

Three died

26

“Brides in the Bath”

If murder by drowning

Leaves a lot of bruising

No signs of bruising

Should have a violent struggle

27

Sir Bernard Spilsbury

Re-enactment Female divers

Pull their feet

Heads went underwater

Unconscious

No struggle

28

Gareth

Williams

Gareth Williams

29

Gareth Williams

Cryptographer working for British Intelligence

Found in his apartment in August 2010

Dead for 9 days

30

Investigation found

No signs of a struggle

No traces of poisoning 2

1

No sign of asphyxiation 3

In the bath 31

Evidence

Body found in sports bag

Padlocked on the outside

2

1

3

81 x 48 cm

Sports bag

32

Gareth Williams

Yoga experts unable to lock and padlock ownself from the outside

Re-enactment

Question

http://www.youtube.com/watch?v=lkirbdxzkq8

Locked by someone else?

http://www.youtube.com/watch?v=lkirbdxzkq8

Documents

1-9 Reconstruction & Re-Enactment