CSI Forensic Death Investigation 3

Question 1

A body is found with ligature marks showing 'parchment-ization' of the skin. What does this indicate?

Accepted Answer

The ligature was applied ante-mortem and the victim survived briefly

Answer

The ligature was applied post-mortem

Answer

Decomposition has reached an advanced stage

Answer

The victim was dragged across a rough surface

Question 2

What is the significance of 'hesitation wounds' in a forensic death investigation?

Accepted Answer

They suggest a self-inflicted injury, often seen in suicides

Answer

They indicate a struggle with an assailant

Answer

They are caused by a serrated blade during homicide

Answer

They represent defensive wounds on the forearms

Question 3

During scene investigation, you observe 'petechial hemorrhaging' in the conjunctiva of the eyes. This finding is most consistent with which manner of death?

Accepted Answer

Compression asphyxia or manual strangulation

Answer

Poisoning by carbon monoxide

Answer

Blunt force head trauma

Answer

Drowning in cold water

Question 4

Which toxicological specimen is preferred for detecting drugs that may be redistributed post-mortem in central blood?

Accepted Answer

Femoral (peripheral) blood

Answer

Cardiac blood

Answer

Vitreous humor

Answer

Liver tissue

Question 5

What does a 'stippling' pattern around a gunshot wound entry indicate?

Accepted Answer

The muzzle was 6-18 inches from the skin at time of discharge

Answer

The weapon was in direct contact with skin (contact wound)

Answer

The victim was shot from a distance greater than 3 feet

Answer

The bullet fragmented upon entry

Question 6

What is 'saponification' in the context of decomposed remains?

Accepted Answer

Conversion of body fat into a waxy, soap-like substance (adipocere)

Answer

Mummification of soft tissue due to hot, dry conditions

Answer

Petrification of bone tissue over centuries

Answer

Liquefaction of internal organs during putrefaction

Question 7

A decedent is found with cherry-red lividity. Which toxic substance is most likely responsible?

Accepted Answer

Carbon monoxide poisoning

Answer

Cyanide poisoning

Answer

Opioid overdose

Answer

Alcohol intoxication