1-8 Forensic Laboratories v1 (1)

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Around the World 1 1910 Lyon, France 1915 Germany 1923 Austria U.S.A. (L.A.P.D.) Set up by Edmond Locard

Transcript of 1-8 Forensic Laboratories v1 (1)

Page 1: 1-8 Forensic Laboratories v1 (1)

Around the World

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1910 Lyon, France

1915 Germany

1923 Austria

U.S.A. (L.A.P.D.)

Set up by Edmond Locard

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Around the World

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1932 U.S.A. (F.B.I.)

1935 U.K. (Scotland Yard)

1925 Holland

Finland

Sweden

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Now all part of the Health Sciences Authority

In Singapore

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1960s

Pathology lab Chao Tze Cheng

1929 Chemical analysis service

Straits Settlements Police

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Firearms Unit

Photography Unit

Toxicology

Latent Prints

Polygraph Voiceprint

Psychiatric profiling

Computer

& Electronic

Forensics

Forensic Entomology

Forensic Engineering Forensic Geology

Forensic Anthropology

Facial Reconstruction

Forensic Odontology

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Documents Unit

DNA Lab

Physical Science Unit

Biology Unit

Forensic Science Laboratories

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Physical Science Unit

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Biology Unit

Chemical and physical analysis

Chemical tests, spectroscopy, microscopy,

drugs, material fragments, explosives

Biological samples

Hair, plants

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DNA Lab

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Firearms Unit

Essential

Guns, bullets, cartridge cases, firearm damage

DNA analysis services

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Documents Unit

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Photography Unit

Determine faked or forged documents

Analysis of handwriting, prints, paper, ink

Recording & presenting of evidence

Determine real & fake photographs

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Photography Unit

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Discontinuous

black line

Pixels are

mis-matched

Different angle

of shadows

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Not genuine?

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Photography Unit

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“Surgeon’s” photograph

Loch Ness Monster?

Genuine photo

Model monster Loch Ness Monster?

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Toxicology

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Fingerprinting

Polygraph

Drugs and poisons in body fluids and organs

Visible and latent prints

Can we scientifically detect a lie?

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Voiceprint analysis

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Osama bin Laden

Audio recordings of his voice?

Proving that a

voice belongs to a

particular person

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Voiceprint analysis

Howard

Hughes

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Clifford Irving claimed to

possess Howard Hughes’

authorised biography

Denied by Hughes

Teleconference

Recordings compared

Irving convicted of fraud

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Psychiatric Profiling

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Computer Forensics

What can we tell about the criminal from the way they commit the crime?

Retrieving deleted data

Following of electronic trail

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Forensic Engineering

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Minneapolis I-35 bridge collapse

Design fault of bridge

Corrosive effect of pigeon droppings?

Minneapolis

I-35 bridge

Why?

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Forensic Geology

Forensic Entomology

Using insects to provide information

Soil analysis

Mineral content

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Forensic Anthropology

Analysis of skeletal remains

Skeletal remains

When people die in remote places

Only found after the body has decomposed

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Joseph Schexnider

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No other evidence

Abbeville, 2011

Human skeleton found

in an old chimney

Identified as Schexnider

Disappeared in 1984

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Facial Reconstruction

Take skull and rebuild flesh

See how person looked like when they were alive

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Karen Price

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Facial Reconstruction

Reconstructed face shown on TV

Victim recognized immediately

Skeleton found

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Alexander Fallon

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Facial Reconstruction

Difficult to tell age

15 years before he was identified

Killed in 1987

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Facial Reconstruction

Used modelling clay

Now done electronically

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Forensic Odontology

Identification of victim remains

Identification of criminals

Using teeth to provide information

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Ted Bundy

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Forensic Odontology

Bite mark on victim

Comparison to his

teeth impressions

Convicted & executed

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Acid Bath Haigh

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J. G. Haigh

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J. G. Haigh

“Acid Bath Haigh”

Killed 9 people

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J. G. Haigh

“Acid Bath Haigh”

Killed 9 people

Olive Durand-Deacon

Led to his capture

Olive Durand-

Deacon

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Lured Mrs. Durand-Deacon there with talk of investments

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No conviction for a crime without a body?

Had a countryside shed

J. G. Haigh

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Misunderstood the concept

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J. G. Haigh

Must be the body of evidence to prove the occurrence of a crime

Haigh: “No murder charge without a real body”

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Destroyed victims’ bodies

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J. G. Haigh

Dissolved them in sulfuric acid

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Evidence of murder

Gall-stones

False teeth Individualised

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Dental records