MPTC Criminal Investigations PRACTICE EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS | ALREADY GRADED A+<recent version>

MPTC Criminal Investigations PRACTICE EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS | ALREADY GRADED A+&lt;recent version&gt; 1) inner perimeter - ANSWER Where the actual crime scene took place and contains physical evidence 2) how big is the inner perimeter - ANSWER Should be at least twice the size as the actual crime scene (can always be adjusted later) 3) how many officers should guard the crime scene of an inner perimeter? - ANSWER two 4) who is allowed at a crime scene - ANSWER authorized investigators and crime scene investigators ONLY 5) crime scene log - ANSWER Document that tracks who visits and enters the crime scene and for what purpose. 6) information on a crime scene log - ANSWER 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 7) outer perimeter - ANSWER Staging area for support personnel and equipment 8) what is the use of an outer perimeter? - ANSWER -store equipment and supplies -create a log of equipment assets and supplies to include date/location when deployed -credentialed news media representatives 9) purpose of a rough sketch - ANSWER provide an overview of the crime scene and its contents 10) mid-range photograph - ANSWER take photos of injury 2-4 feet away while keeping other distinguishing person features from overall image in view 11) close-up photograph - ANSWER take photos of each injury from less than 2 feet away. place ruler next to injury to demonstrate size 12) follow-up photograph - ANSWER 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 13) systematic searches - ANSWER are determined by circumstances and individual officer preference. more effective when done consistently (top-down, front-back, left-right, outside-inside) 14) lane search - ANSWER 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 15) max width for lane and grid searches - ANSWER six feet 16) grid search - ANSWER 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 17) zone search - ANSWER 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 18) Person search incident to arrest - ANSWER a search incident to arrest may be made only for purposes of seizing contraband, instrumentalities or other evidence of the crime for which an arrest has been made, to prevent concealment or destruction. also to remove any weapons that could be used to escape. 19) best practices for strip searches - ANSWER private area/not viewable to the public no more than one additional officer present gender of officer and suspect are the same the officer does not touch suspect done in a non-humiliating way consistent with department policy 20) search the person _____ before any containers in his or her possession - ANSWER first 21) when can an officer search a vehicle for evidence? - ANSWER they have a warrant, PC, consent or search incident to arrest 22) Vehicle search incident to arrest - ANSWER Can only occur if the arrestee is unsecured and within reaching distance of the passenger compartment at the time of the search or there is reason to believe the vehicle contains evidence relevant to the crime of arrest. 23) vehicle inventory must be conducted pursuant to ... - ANSWER the agency's written inventory policy 24) what is required before the police can conduct an inventory of a vehicle? - ANSWER lawful impoundment 25) after the arrest of the driver, impoundment (towing) of the vehicle is permissible for 4 legitimate purposes. - ANSWER 1 - to protect the vehicle and its contents from theft or vandalism 2 - protect the public from dangerous items that might be in the vehicle. 3 - protect public safety where the vehicle, as parked creates a dangerous condition; or 4 - when the vehicle is parked on private property 26) common circumstances that allow police to lawfully impound (tow) a vehicle - ANSWER abandoned vehicles after driver's arrest when vehicle is traffic hazard following OUI arrest vehicle seized pending forfeiture vehicles that are evidence of a crime illegally parked vehicles when towing is authorized 27) physical evidence - ANSWER tangible evidence, capable of being perceived by sense of touch. (drugs, money, clothing, weapons, etc) 28) Trace Evidence - ANSWER transferred from one surface to another during physical contact between people, places and objects. often overlooked because of its microscopic size (human hair, gunshot residue, soil, textile/wood/paint fibers) 29) DNA evidence - ANSWER biological evidence used to connect an offender conclusively to a crime human hair, tissue, bones, teeth, blood, salvia, semen, or other bodily fluids 30) plastic fingerprint evidence - ANSWER can be seen with the naked eye and left behind when a person's finger leaves an indention. can be found in soap, gum, wax, etc 31) patent fingerprint evidence - ANSWER can be seen with a naked eye and left behind when material on fingers (blood, dirt, oil, etc.) is transferred onto a surface. they can be found on paper, wood, cloth, plastic, metal and glass 32) Latent fingerprint evidence - ANSWER cannot be seen with the naked eye and left behind when oil and sweat on finger skin are transferred to a smooth, non-porous surface. these prints are seen when exposed to chemicals or light technologies. 33) primary responsibility for first responders regarding trace, DNA and fingerprint evidence - ANSWER identify and protect the evidence until expert assistance arrives 34) impression evidence - ANSWER created when pressed against another with enough force to leave a matching imprint ex. shoe prints in snow 35) clothing, bedding and linen evidence - ANSWER items worn or used by both victims and suspects. 36) how to package clothing, bedding or linen evidence - ANSWER dry clothing into a paper bag/cardboard box wet into a non-porous plastic container. 37) wet clothing evidence storage - ANSWER should not remain inside any plastic container for more than 2 hours must be air-dried before storing 38) digital evidence - ANSWER electronic files found in computers, flash drives, smart phones, tablets, etc. audio/video files, images, email and text messages, police body-worn camera, recorded suspect interview 39) documentary evidence - ANSWER paper evidence such as letters, contracts, or medical records 40) chain of custody - ANSWER the documented and unbroken transfer of evidence 41) show-ups - ANSWER Witnesses try to match the suspect with one person, by live appearance. generally occur at the scene of the crime. 42) Show up best practices - ANSWER identify relevant estimator variables control system variables time location minimize suggestiveness and visual cues of custody separate witnesses participating. give consistent instructions 43) photo arrays - ANSWER suspect's picture is placed with others for victim identification 44) the minimum amount of photos to use in a photo array - ANSWER 6 is the minimum, but officers should use at least 8 45) how to administer the photo array - ANSWER double blind show each photo once at a time. the suspect can be in any position, except the first show all the photos twice, in the same order.