MPTC Criminal Investigations Compulsory Questions and Correct Answers

When does criminal investigation begin? - The moment the police are called to the scene. What route do you take to the crime scene - Most direct & safest Upon arrival to scene you do what? - Identify and control any immediate threats. When securing the crime scene you should NOT DO - Touch, move or alter any item with the crime scene. How many Perimeters should you make - (2) Inner + Outer Inner Perimeter is defined as - Where the actual crime took place (Physical Evidence) When photographing the crime scene, how many photos - 3 - Overall, Mid-range, Closeup Prioritize evidence when collecting, what items first? - Fragile items Trace Evidence - Transferred from one surface to another during physical contact between people, places, and objects DNA evidence - Human hair, tissue blood, saliva, bodily fluids Fingerprint evidence - Human skin ridge impressions left behind on surfaces. Plastic fingerprint evidence - Seen by the naked eye Patent fingerprint evidence - Left behind with materiel on fingers. (Blood, oil) Latent fingerprint evidence - Cannot be seen by naked eye. Left behind by sweat and oil on skin. Impression evidence - Created when one objected presses against another to leave a matching imprint. Wet evidence - Cannot be left in the plastic container for more than 2 hours. Vehicle search incident to arrest - Can only search with the suspects immediate control (For weapons or evidence of the crime for the arrest)