| Latest Exam Updates| 2024/25 |Mpoetc Exam #18 Questions And Answers, Graded A+/ Verified.

MPOETC EXAM #18 QUESTIONS AND ANSWERS, GRADED A+/ VERIFIED. Crime Scene - --a location where the criminal incident has occurred, the body is found or where evidence connected to the crime may be found Methods of Securing the Scene - --Crime Scene Tape -Barriers -Physical Presence- Officers Protecting the Scene - --this is one of the most important duties a police officer can perform -only authorized crime scene detectives in the scene -document anyone that enters crime scene -Initial officer in charge of scene until relieved -Remove unauthorized persons -Witnesses need to be kept out of scene, but not are. Establish a location, keep separate -Family Members need to be kept back -Curiosity seekers out -Police Officers can destroy evidence, take names-report Preliminary Investigation - --is the process of gathering basic information, this process is affected by available resources, personnel, equipment, and training In-Depth or Follow Up Investigation - --is typically one in which extensive efforts are made to identify and collect evidence not already collected in the preliminary investigation Locard Exchange Principle - --a person often leaves something at a crime scene and takes something away with him. "TRANSFER" -things left or taken may be traceable to a specific individual or things taken may be traced back to the scene and assist in helping ID the perpetrator Physical Evidence - --Tangible or non-tangible items or their traces that may be examined and related to the criminal investigation ex: Guns, Fibers, Hair -Cannot be wrong-it cannot perjure itself-only its interpretation can error. -Only human failure to find it, study, and understand it can diminish its value Courts usually put more weight on physical evidence versus testimonial evidence Will be obtained from three main sources: -scene of the crime -victim, suspect, and environment Physical evidence serves two main purposes: - --is often a decisive factor in determining guilt or innocence -can be material aid in locating the perpetrat