Seeing the Evidence: Forensic Scientists at Work (A to Z)

Based on the information in the book, what is a likely reason why the thieves in Case File #2 emptied out their apartment?

• They knew that the police had already solved the case.

• They knew that the police had a lot of eyewitnesses.

• They knew that the police would use the items in the apartment as evidence.

• All of the above

How did a truck axle from the bombing of the Murrah Federal Building help investigators?

• It had trace evidence on it from the bombers.

• The type of metal used in the axle lead them to the truck factory.

• The vehicle identification number led them to a truck rental office.

• They matched the axle to a rental truck they had found

Which of the following is not considered to be trace evidence?

• eyewitnesses

• threads

• hairs

• dust

Before investigators located Timothy McVeigh, they ________ .

• had a sketch of his face made by a forensic artist

• did a search of his name in the national crime database

• spoke to a clerk in a truck rental office who remembered him

• all of the above

Which word would be an appropriate way to describe Edward Heinrich?

• observant

• sneaky

• misunderstood

• all of the above

What is a suspect?

• a person who investigates a crime

• a person harmed by an act or condition

• a person who secretly gives information about a crime

• a person who is believed guilty of a crime

Forensic science will become ______________ because of technology.

• less advanced

• more advanced

• non-existent

• a thing of the past

How did Edward Henry’s system help track down more criminals?

• Police learned how to identify criminals from several photo databases.

• Police learned how to identify criminals based on vehicle identification numbers.

• Police learned how to identify criminals based on the Exchange Principle.

• Police learned how to identify criminals based on fingerprints found at a crime scene.

What did the train robbers leave behind at the scene of the crime?

• an old work boot

• a pair of stained overalls

• fingerprints on a doorknob

• all of the above

Why did criminals begin wiping away their fingerprints from the scene?

• Another criminal told them to clean the crime scene.

• The police were catching more criminals.

• Fewer eyewitnesses were being investigated.

• All of the above