Famous Murder Cases and Mysteries

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Questions and Answers

What characterizes Algor Mortis after death?

Rapid skin discoloration due to gravity

Increased blood circulation throughout the body

Body becoming rigid due to muscle tension

Body undergoes cooling at a rate of 1-1.5 F/hour (correct)

At what time after death does rigor mortis typically affect the jaw?

2 hours (correct)

10-12 hours

4-6 hours

Within 30 minutes

Which process involves the settling of red blood cells due to gravity?

Rigor Mortis

Algor Mortis

Putrefaction

Livor Mortis (correct)

What is the initial effect of carbon monoxide poisoning on the body?

Cherry pink coloration due to carbon monoxide-haemoglobin complex Signup and view all the answers

How long does it generally take for the stomach and intestines to empty after death?

2 hours Signup and view all the answers

What happens to the abdomen during putrefaction after 5-6 days?

Skin blisters and abdomen swells with gas Signup and view all the answers

What is the main advantage of Thin Layer Chromatography (TLC)?

It is cheap and fast. Signup and view all the answers

What characterizes the gas chromatography (GC) process?

The first peak often indicates the solvent used. Signup and view all the answers

Which component of hair contains pigment granules that determine color?

Cortex Signup and view all the answers

What test is used to identify heroin by producing a red-purple color?

Marquis Test Signup and view all the answers

Which of the following drugs is known for its rapid breakdown to morphine?

Heroin Signup and view all the answers

Which component in the analysis of drugs is specifically used to determine the shape?

Microscopy Signup and view all the answers

What is the primary psychoactive effect of cannabis?

CNS effects Signup and view all the answers

What is the primary active component of opium?

Morphine Signup and view all the answers

Which of these substances is classified as a synthetic compound?

Amphetamines Signup and view all the answers

What is the consequence for trafficking more than 30 grams of cocaine in Singapore?

Death penalty Signup and view all the answers

Which type of blood spatter is characterized by concentrated impact with a high amount of spatter, such as that from a gunshot?

High velocity spatter Signup and view all the answers

What is the function of histones in relation to DNA?

They help in the packaging of DNA into chromosomes. Signup and view all the answers

Which of the following is true regarding DNA fingerprinting?

It utilizes junk DNA and requires STRs to match from both parents. Signup and view all the answers

What is the defining characteristic of synthetic polymers?

They are formed by the extrusion of molten or dissolved polymer. Signup and view all the answers

How many pairs of chromosomes do humans have?

23 pairs Signup and view all the answers

In hair growth phases, which phase is characterized as the growth phase that can last up to 6 years?

Anagen Phase Signup and view all the answers

Which of the following best describes a feature of medium velocity blood spatter?

It can be produced by blunt force trauma, such as a baseball bat. Signup and view all the answers

Which type of DNA is used for DNA fingerprinting, specifically for its higher variability?

Junk DNA Signup and view all the answers

What is the lethal dose of thallium?

12mg/kg Signup and view all the answers

Which action is primarily inhibited by Sarin?

Acetylcholine breakdown Signup and view all the answers

What makes fingerprints unique to individuals?

Gland secretion patterns Signup and view all the answers

Which principle of fingerprinting states that fingerprints remain for a lifetime?

Second Principle Signup and view all the answers

Which method is NOT used to develop latent fingerprints?

Interferometry Signup and view all the answers

How many principles of fingerprinting are outlined in the content provided?

Three Signup and view all the answers

Which of the following is the antidote to Sarin?

Atropine Signup and view all the answers

What type of prints can be developed using dusting powder?

Latent prints Signup and view all the answers

What was the blood group indicated by saliva found on the cigarette butts at Walter Dinivan's crime scene?

Blood group AB Signup and view all the answers

In the case of Roberto Calvi, what unusual item was found in his suit?

Bricks Signup and view all the answers

What did the police find in the scene related to the 2005 London Bombings?

Homemade explosive and detonator Signup and view all the answers

How was Olive Durand - Deacon identified after her murder?

By false teeth Signup and view all the answers

What method was used to identify the killer in Gordon Hay's case?

Dental impressions Signup and view all the answers

In the case of Gareth Williams, where was his body found?

In the bathtub Signup and view all the answers

What was the original plan regarding the body to be used in the Allied vs Germans case?

A body of someone who died from pneumonia Signup and view all the answers

What common element was found in the contextual clues of George Joseph Smith's case?

Each wife was drowned in the bathtub Signup and view all the answers

Study Notes

Walter Dinivan

Body found with crushed skull on May 21st 1939
Saliva on cigarette butts found on the crime scene indicated blood group AB
Joseph Williams was blood group AB and confessed to the crime

Roberto Calvi

Disappeared on June 11th 1982, found dead on June 19th 1982
Found with bricks in his suit, US$14,000 in his wallet, a false passport, and packed bags
Neck was not broken
No signs of a struggle
Marks consistent with hanging
No water in his lungs.
Watch stopped at 1:52 am

Stewart Broughton

Severed finger while breaking into a builder’s yard
Caught by police while going to hospital for treatment

Christopher Paul Neil

2007

Buck Ruxton – Jigsaw Murder

Murder of “Mrs” Ruxton and maid, Mary
Superimposed photos of skull and women’s photo

Allied vs Germans

Original plan: use a body of someone who died from a kind of pneumonia that causes the lungs to flood
Actual: a vagrant who died from phosphorus poisoning

Gordon Hay

Killer identified by dental impressions

Ronald Benell

Killer identified by dental impressions

Wayne Boden

Killer identified by dental impressions

Olive Durand – Deacon

Body was dissolved in sulfuric acid
Identified by false teeth

2005 London Bombings

July 7th - 3 bombs on tube, 1 bomb on bus, 52 killed
July 21st - 4 bombs failed to explode
July 23rd - 5th bomb found abandoned
Bombs made using homemade explosive and detonator

George Joseph Smith

3 wives drown in a bathtub

Gareth Williams

Found padlocked in a sports bag placed in the bath
No fingerprint on the bath, Faint DNA traces on the bag

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Description

Test your knowledge on intriguing murder cases and mysterious deaths, ranging from Walter Dinivan’s brutal crime scene to the enigma surrounding Roberto Calvi's disappearance. This quiz covers various infamous figures and their fates, highlighting peculiar details and evidence surrounding each case.