Ch 2 Crime Scene

What happened to JonBenet Ramsey?

• She was kidnapped and found dead in her neighbor’s basement

• She was found in her basement the morning after Christmas

• She was murdered by her father

• She was kidnapped and her body was never found

The job of the first officer on scene is to

• Preserve and protect the area

• Determine the boundaries of the crime scene

• Begin collecting evidence immediately to prevent destruction

• Complete a rough sketch of the crime scene

The person who determines the boundaries and begins recording/collecting evidence is the

• First officer on scene

• The lead forensic investigator

• The medical examiner

• The mobile crime lab expert

• A forensic anthropologist

It is important to appropriately collect and record evidence for which of the following reasons?

• To prevent breaking the chain of evidence

• To avoid creating grounds for a mistrial

• To prevent overlooking evidence

• None of the above

• All of the above

A suspect has been identified, on video footage, at the scene of a kidnapping. Police want to search his house. Do they need a warrant to do so?

• No

• Yes

A bloody sweater should be collected in

• A plastic bag to prevent the evidence from being destroyed

• A paper bag to prevent mold from growing

• A plastic bag to prevent mold from growing

• An airtight container to prevent contamination

The coroner will collect all of the following except:

• Fingernail scrapings

• Hair found on the body

• Blood

• Bullets recovered from the body

• Comparison samples

A buccal swab is

• A sample of a person’s DNA from their cheek/mouth

• A sample of a (known) subject’s blood

• A sample of blood from the murder weapon

• A sample of semen from a crime scene

When one dies, their body initially relaxes, but then becomes rigid around 24 hours after death. This is because

• The muscles have no ATP/energy to contract

• The muscles have no ATP/energy to relax

• The muscles use up the rest of the ATP/energy in the muscle cells

• The body temp drops so much the muscle cells freeze

Livor mortis is

• The decrease in body temperature until it reaches ambient temperature

• Blood settling to the parts of the body closest to the ground

• The muscles becoming rigid after death

• When the body’s cell begin to break down and digest themselves