MPTC Criminal Investigations COMPLETE
QUESTIONS WITH CORRECT ANSWERS ||
GUARANTEED PASS
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. chain of custody - ANSWER ✅ the documented and unbroken transfer of
evidence
5. show-ups - ANSWER ✅ Witnesses try to match the suspect with one
person, by live appearance. generally occur at the scene of the crime.
6. 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
,7. photo arrays - ANSWER ✅ suspect's picture is placed with others for victim
identification
8. the minimum amount of photos to use in a photo array - ANSWER ✅ 6 is
the minimum, but officers should use at least 8
9. 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.
10.unsolved crimes - ANSWER ✅ unsolved case status means all investigative
leads were exhausted and the offender remains unknown and at large.
11.best practices for unsolved crimes - ANSWER ✅ provide victims and
witness with social services and other referral info.
complete a thorough and detailed report.
continue to monitor other crimes with similar MO
take time to re-contact victim or witness
12.Active Crimes - ANSWER ✅ potential evidence still exists and needs to be
collected, reviewed, or checked.
13.best practices for active crimes - ANSWER ✅ continue searching for,
collecting and corroborating evidence towards leads
provide victim/witness social services
conduct follow-up interviews/interrogations
conduct photo array/live lineup
send evidence for forensics testing
, seek complaint or arrest warrant
detailed report
14.solved crimes - ANSWER ✅ solved case status means an offender was
identified and charged
15.best practices for solved crimes - ANSWER ✅ continue searching for,
collecting and corroborating evidence towards leads
-provide social services
detailed report
coordinate with the prosecutor - keep victim/witness informed of trial dates.
their participation can be critical for success
prepare for trial
16.best practices for testifying in court - ANSWER ✅ arrive early with clean
attire
-use body language that projects confidence and patience (no unnecessary -
hand/body movement)
-active listening, follow instructions
-pause 2-3 seconds before answering questions
-only answer what is asked, be precise
-use your own words, don't memorize answers
-always tell the truth
17.perjury - ANSWER ✅ lying under oath, prosecutors can charge officers
who lie under oath
18.define family or household members in DV (5 things) - ANSWER ✅
are/were married
are/were residing in the same household
QUESTIONS WITH CORRECT ANSWERS ||
GUARANTEED PASS
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. chain of custody - ANSWER ✅ the documented and unbroken transfer of
evidence
5. show-ups - ANSWER ✅ Witnesses try to match the suspect with one
person, by live appearance. generally occur at the scene of the crime.
6. 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
,7. photo arrays - ANSWER ✅ suspect's picture is placed with others for victim
identification
8. the minimum amount of photos to use in a photo array - ANSWER ✅ 6 is
the minimum, but officers should use at least 8
9. 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.
10.unsolved crimes - ANSWER ✅ unsolved case status means all investigative
leads were exhausted and the offender remains unknown and at large.
11.best practices for unsolved crimes - ANSWER ✅ provide victims and
witness with social services and other referral info.
complete a thorough and detailed report.
continue to monitor other crimes with similar MO
take time to re-contact victim or witness
12.Active Crimes - ANSWER ✅ potential evidence still exists and needs to be
collected, reviewed, or checked.
13.best practices for active crimes - ANSWER ✅ continue searching for,
collecting and corroborating evidence towards leads
provide victim/witness social services
conduct follow-up interviews/interrogations
conduct photo array/live lineup
send evidence for forensics testing
, seek complaint or arrest warrant
detailed report
14.solved crimes - ANSWER ✅ solved case status means an offender was
identified and charged
15.best practices for solved crimes - ANSWER ✅ continue searching for,
collecting and corroborating evidence towards leads
-provide social services
detailed report
coordinate with the prosecutor - keep victim/witness informed of trial dates.
their participation can be critical for success
prepare for trial
16.best practices for testifying in court - ANSWER ✅ arrive early with clean
attire
-use body language that projects confidence and patience (no unnecessary -
hand/body movement)
-active listening, follow instructions
-pause 2-3 seconds before answering questions
-only answer what is asked, be precise
-use your own words, don't memorize answers
-always tell the truth
17.perjury - ANSWER ✅ lying under oath, prosecutors can charge officers
who lie under oath
18.define family or household members in DV (5 things) - ANSWER ✅
are/were married
are/were residing in the same household
