MPTC Criminal Investigations
RESPECT version while carrying out Criminal Investigations - ANSRespond and make it secure,
Emergency take care of injured, Separate and put off human beings, Protect crime scene,
Evidence collection, Corroborate proof with M.G.L., Take action/Testify,
Best practices securing Inner Perimeter - ANSMake as a minimum TWICE the dimensions of
real crime scene, Clearly mark perimeters with line tape, Only allow authorized investigators to
the internal perimeter, ID pathway via inner perimeter that minimizes proof infection, set up
unmarried entry and go out factor, Establish crime scene log, record all who move inside and
outside, date/time in/out and cause
Best practices in establishing Outer Perimeter - ANSStaging region for support personnel and
gadget, Store gadget and supplies, have a log of gadget, assets, and resources.
Documenting the crime scene - ANSRough Sketch- fundamental overview of the crime scene,
carried out after preliminary walkthrough, include date,time, not to scale, symbol legend,
applicable measurements and dimensions.
Photographing Crime Scene - Do not use non-public digicam or smartphone, image proof in
herbal country. Use a planned gadget to document, start with an standard angle, then a
midrange perspective, the near up of any proof, accidents, serial numbers or influence proof, do
now not delete any pix or use enhancing software.
Direct evidence - ANSEvidence that without delay hyperlinks a person to a criminal offense
without the want of any extra proof or inference
Circumstantial Evidence - ANSEvidence is based on a inference to connect a end or reality.
Physical Evidence - ANStangible objects that tend to show a few cloth truth; also known as
actual proof
Testimonial Evidence - ANSIt includes first-hand statements made by using sufferers,
witnesses, suspects or police. MAy be direct or circumstantial.
Exculpatory evidence - ANSevidence that indicates the defendant's innocence, or clears them
from the crime
applicable evidence - ANSTendency to make a truth extra or less probable than it might be with
out the evidence
, Reliable proof - ANSThat has no longer been tampered with and in extensively the same
circumstance as proof at the beginning seized by means of police whilst supplied in court
docket.
Chain of custody - ANSthe chronological documentation, or paper trail, showing the seizure,
custody, manipulate, transfer, of proof collected. Must display all who are available touch with
the evidence.
Physical Evidence - ANSIs the maximum compelling due to the fact it's miles tangible and
tougher to dispute. Examples: Money, capsules, clothing
Trace Evidence - ANSIs transferred from one floor to every other at some point of physical
touch between humans, places and objects. Examples: soil, minerals, gunshot residue,
human/animal hair, textile, wooden, glass an paint fibers
DNA Evidence - ANSEvidence includes human hair, tissue, bone, enamel, blood, saliva, semen,
or other bodily fluids. Highly liable to contamination.
Types of Fingerprint evidence - ANSPlastic - can be visible with naked eye whilst left on a
mailable surface
Patent - can be visible with naked eye and left in the back of when materials on finger is
transferred to some other surface
Latent - cannot be visible with the naked eye and is left behind while oil and sweat on finger is
transferred to a smooth, nonporous floor.
Impression Evidence - ANSCreated when one item presses in opposition to some other with
enough force to depart an identical imprint. Examples: shoe prints, tire tread, human chunk
marks, may be observed in snow, blood, dirt and human pores and skin
Packaging of Clothing, Bedding and Linen proof - ANSWet proof must be aired dried before
storing
WET garb, bedding, linens - use a nonporous box to quickly collect
DRY - paper bags, cardboard packing containers
Package evidence one by one through source to save you pass infection
Weapons Evidence Collection - ANSIncludes firearms, knifes, ammunition baseball bats etc
used to commit against the law
Process for DNA and Trace Evidence first
Refrain form touching, except there may be a chance of protection. IE: Loaded weapon
DO NOT insert some thing into barrel of firearm
Unload firearm and use plastic Zip Tie to make device inoperable
Document total variety of unspent rounds in firearm chamber, cylinder or mag
Currency Evidence - ANSIncludes coins, coins and inventory/bond certificates.