MPTC Criminal investigation Exam 2024-2025
with 170 questions and answers
inner perimeter - ✔✔ANSW✔✔..Where the actual crime scene took place and contains
physical evidence
common hallucinogens side effects - ✔✔ANSW✔✔..intensify the moods of the user at
the time of ingestion
hallucinations, paranoia, nausea, vomit, tremors, sweating, dehydration, headache
signs of hallucinogens abuse or OD - ✔✔ANSW✔✔..flash backs, memory loss, violent
behavior, long term hallucinations, seizures, suicide
synthetic cathinones - ✔✔ANSW✔✔..a family of drugs containing one or more synthetic
chemicals similar to cathinone.
dissociative anesthetics - ✔✔ANSW✔✔..cut off or distort the brain's perception from the
rest of the body and increase the user's pain threshold
Examples of Dissociative Anesthetics - ✔✔ANSW✔✔..PCP, ketamine, analogs, DXM
methods of ingestion - dissociative anesthetics - ✔✔ANSW✔✔..oral, transdermal,
smoked, injected, eye drops, insufflation
common side effects - dissociative anesthetics - ✔✔ANSW✔✔..warm to touch, sweating
blank staring
slurred, incomplete verbal responses
hallucination; sensory distortions
confused
violent
signs of dissociative anesthetic abuse or OD - ✔✔ANSW✔✔..deep coma up to 12 hours
seizures, convulsions
shallow breathing
psychosis
Narcotic analgesics - ✔✔ANSW✔✔..relieve chronic pain, induce euphoria, alter moods,
produce sedations
Examples of Narcotic Analgesics - ✔✔ANSW✔✔..heroin, vicodin, morphine, oxycontin
,methods of ingestion for narcotic analgesics - ✔✔ANSW✔✔..oral, inhaled, injected
side effects for narcotic analgesics - ✔✔ANSW✔✔..nausea, dry mouth, droopy
eyes/drowsiness, slow speech, "heavy" arms and legs, "the nod" (eye fluttering and
head bobbing)
signs of narcotic analgesic abuse - ✔✔ANSW✔✔..shallow breathing
blue lips and fingernails
clammy skin
seizures
coma
inhalants - ✔✔ANSW✔✔..solvents, aerosols, and gases found in household products
sold over the counter.
how big is the inner perimeter - ✔✔ANSW✔✔..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? -
✔✔ANSW✔✔..two
who is allowed at a crime scene - ✔✔ANSW✔✔..authorized investigators and crime
scene investigators ONLY
crime scene log - ✔✔ANSW✔✔..Document that tracks who visits and enters the crime
scene and for what purpose.
information on a crime scene log - ✔✔ANSW✔✔..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 - ✔✔ANSW✔✔..Staging area for support personnel and equipment
what is the use of an outer perimeter? - ✔✔ANSW✔✔..-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 - ✔✔ANSW✔✔..provide an overview of the crime scene and
its contents
, overall photograph - ✔✔ANSW✔✔..take one overall photograph of person to include
their face and other unique features (tattoos, clothing, jewely, etc.)
mid-range photograph - ✔✔ANSW✔✔..take photos of injury 2-4 feet away while
keeping other distinguishing person features from overall image in view
close-up photograph - ✔✔ANSW✔✔..take photos of each injury from less than 2 feet
away. place ruler next to injury to demonstrate size
follow-up photograph - ✔✔ANSW✔✔..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 - ✔✔ANSW✔✔..are determined by circumstances and individual
officer preference. more effective when done consistently
(top-down, front-back, left-right, outside-inside)
lane search - ✔✔ANSW✔✔..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 - ✔✔ANSW✔✔..six feet
grid search - ✔✔ANSW✔✔..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 - ✔✔ANSW✔✔..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
Person search incident to arrest - ✔✔ANSW✔✔..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.
best practices for strip searches - ✔✔ANSW✔✔..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
