CRIMINAL INVESTIGATION MPTC EXAM LATEST
UPDATE 2024\2025 QUESTIONS AND CORRECT
ANSWERS| GRADED A+
When does criminal investigation begin? - Ans: The moment the police are called
to the scene.
Impression evidence - Ans: Created when one objected press against another to
leave a matching imprint.
Wet evidence - Ans: Cannot be left in the plastic container for more than 2 hours.
Vehicle search incident to arrest - Ans: Can only search with the suspects
immediate control (For weapons or evidence of the crime for the arrest)
Show ups - Ans: Live, in person presentations of one or more subjects to a single
witness (Occurs near the crime scene)
How long do you have to perform a (show up) after the incident occurred - Ans:
No longer than 2 Hours
Photo Array, how many pictures - Ans: Minimum 8
How many times can you show a photo array to someone - Ans: 2
Live line up - Ans: Real-time, first-hand presentation of multiple people to a single
eye witness.
How many people do you use in a live line up? - Ans: Minimum 6
Excited Delirium is a life-threatening medical emergency - True or False - Ans:
True
Trafficking 94C-32E - Ans: Knowingly and intentionally manufacture, cultivate,
dispute or dispense; or possessed with intent to manufacture, cultivate, distribute,
disperse; or carried into the commonwealth.
Marijuana Trafficking amount - Ans: 50 Lbs or more
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Cocaine Trafficking amount - Ans: 18 Grams or more
Heroin Trafficking amount - Ans: 18 Grams or more
Methamphetamine Trafficking amount - Ans: 18 Grams or more
Fentanyl Trafficking amount - Ans: 10 Grams or more
Alfentanil Trafficking amount - Ans: Any amount
Controlled substance violation near school property is what distance - Ans: 300
Feet
Controlled substance violation near public park or playground is what distance -
Ans: 100 Feet
What is the most widely used and abused depressants - Ans: Alcohol
Criminal Investigation uses what model? - Ans: RESPECT
When arriving to a crime scene and the scene is safe whats the first thing you do? -
Ans: Establish a perimeter
What route do you take to the crime scene - Ans: Most direct & safest
Upon arrival to scene you do what? - Ans: Identify and control any immediate
threats.
When securing the crime scene you should NOT DO - Ans: Touch, move or alter
any item with the crime scene.
How many Perimeters should you make - Ans: (2) Inner + Outer
Inner Perimeter is defined as - Ans: Where the actual crime took place (Physical
Evidence)
When photographing the crime scene, how many photos - Ans: 3 - Overall, Mid-
range, Close-up
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