Crime Scene Investigation

What does Locard's exchange principle state?

• Every crime will be solved

• Every contact leaves trace evidence

• All physical evidence provides information

• Crimes cannot be solved without physical evidence

What type of evidence would a fingerprint be considered?

• Physical

• Biological

True or False: Individual evidence would be more beneficial to an investigation than class evidence

• True

• False

While scanning the scene it is important that officers

• take photographs

• collect evidence

• hurry up before asked to get a search warrant

• determine if there is a secondary crime scene

What type of sketch uses a reference point and line to measure the distance to the pieces of evidence?

• Baseline method

• Coordinate method

• Triangulation method

Evidence markers should be placed before taking pictures so each piece of evidence can be seen clearly in the photos

• True

• False

A crime-scene sketch should include all of the following except  ___.

• A scale of distance

• A North direction

• Date and location of crime scene

• The type of search pattern that was used.

Which are included in crime scene sketches? (choose all that apply)

• time of death

• scale

• evidence

• cause of death

• location

Which of the following is NOT a search method used to sift through a crime scene?

• Spiral Method

• Wheel/Ray Method

• Grid Method

• List Method

What should be included in a rough sketch of a crime scene?

• North Labeled

• Measured distances of all evidence

• Only the evidence and not any surrounding items

• Write "to scale"