MPTC Criminal Investigations Top Predicted Questions and Correct Answers 2024

inner perimeter - Where the actual crime scene took place and contains physical evidence how big is the inner perimeter - Should be at least twice the size as the actual crime scene (can always be adjusted later) how many officers should guard the crime scene of an inner perimeter? - two who is allowed at a crime scene - authorized investigators and crime scene investigators ONLY crime scene log - Document that tracks who visits and enters the crime scene and for what purpose. information on a crime scene log - date and time log began all persons inside/entering (victims/witnesses/suspects/police) name and agency of people entering entry date, time and signature reason for entry exit date, time and signature outer perimeter - Staging area for support personnel and equipment what is the use of an outer perimeter? - -store equipment and supplies -create a log of equipment assets and supplies to include date/location when deployed -credentialed news media representatives purpose of a rough sketch - provide an overview of the crime scene and its contents overall photograph - take one overall photograph of person to include their face and other unique features (tattoos, clothing, jewely, etc.) mid-range photograph - take photos of injury 2-4 feet away while keeping other distinguishing person features from overall image in view close-up photograph - take photos of each injury from less than 2 feet away. place ruler next to injury to demonstrate size follow-up photograph - injury bruising and swelling may intensify 2-3 days later. use the same protocols as overall, mid-range and close-up during follow-up photographs systematic searches - are determined by circumstances and individual officer preference. more effective when done consistently (top-down, front-back, left-right, outside-inside) lane search - Used to cover large areas quickly for missing people or evidence (ex. looking for a red shirt in an open field) -divide area into equal parallel lanes go in the same direction max width for lane and grid searches - six feet grid search - Cover areas more thoroughly for evidence that is harder to find. Ex. 6" knife in wooded area - Equal parallel lanes cross over each other at 90 degrees zone search - cover crime scenes that can be divided into obvious quadrants. (ex. each room in a house could be a zone) lane or grid methods can be used in each zone