RESPECT - Answer- respond to scene and make it safe
Emergency care for injured
separate and remove people
protect crime scene
evidence
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compare evidence with MGL
take action and testify in court
Respond to scene and make it safe - Answer- direct route, look for matching descriptions, look for immediate threats, alert as if crime is ongoing
Emergency care for injured - Answer- bodily injury or serious bodily injury
separate and remove people - Answer- separate victims/witnesses/suspects and remove uninvolved persons
Protect the crime scene - Answer- set up perimeters, identify evidence needing protection, don't touch
evidence collection - Answer- use standard precautions, correct packaging container, seal containers, tag for storage, CHAIN OF CUSTODY
Compare evidence with MGL - Answer- identify the correct charge
take action and testify in court - Answer- make an arrest/ file a complaint
inner perimeter - Answer- where the crime actually took place and contains physical evidence; must be at least TWICE the size of crime scene
outer perimeter - Answer- staging area for support personnel and equipment
overall - Answer- pictures from outer perimeter, further out for entire scene
mid range - Answer- within inner perimeter; perspective distances (5-10'), good for prop. damage and entry/exits
close up - Answer- perspective less than 4' away to positively identify people/objects, injuries, serial #s
crime scene log - Answer- record of all who were on crime scene and times
systematic searches:
top-down
front-back
left-right
outside-inside - Answer- top-down: person/dwelling top down
front-back: top of head down to feet in front then top of head to feet from the back
left-right: left rear passenger seat area then right side. Search left side clothing pockets then right side pockets
outside-inside: search the outside of a container first then inside, search outside jacket pockets first then inside pockets
lane search - Answer- used to cover large areas to search for missing persons or evidence
grid search - Answer- cover more area thoroughly for evidence hard to find
zone search - Answer- used to cover crime scenes that can be divided into obvious sections
person searches - Answer- search person before any containers on them
physical evidence - Answer- capable of being perceived especially by sense of touch and generally most compelling because it is tangible/harder to dispute
trace evidence - Answer- transferred from one surface to another during physical contact between people/places/objects
DNA evidence - Answer- highly susceptible to contamination; hair, tissue, teeth, blood, saliva; protect and use protective gear, package separately
fingerprint evidence: plastic - Answer- when finger leaves an indentation in soft surface; seen with naked eye
fingerprint evidence: patent - Answer- when oil or sweat on finger is transferred with smooth surface; seen with naked eye, on paper/wood/ cloth/plastic/ metal/glass
fingerprint evidence: latent - Answer- when oil or sweat on finger is transferred to smooth surface, seen when exposed to special chemicals or light tech.
impression evidence - Answer- created when object presses into another to leave matching imprint
handling clothing, bedding, linen evidence - Answer- store DRY evidence in bags/boxes; use plastic containers for WET evidence (wet evidence should not be in containers for more than 2 hours)
weapon evidence - Answer- process for dna, trace, fingerprint evidence first
document position of all firearm parts, # of unfired rounds inside, # of empty casings
currency evidence - Answer- have 2 people to count/verify; use tamper resistant plastic bags
digital evidence - Answer- (need warrants for cell phones) don't power off/on devices or remove any media devices
testimonial evidence - Answer- statements made directly to police, spontaneous utterances, written statements, interview/interrogation recordings
acquisition - Answer- perception of an event
retention - Answer- time that passes between original event and recollection of specific piece of information
retrieval - Answer- someone recalls stored information or memory
chain of custody - Answer- the meticulous and chronological documentation of evidence from the moment it is seized to its presentation in court
show ups - Answer- one on one identification procedure between suspects and witnesses; live in person and near scene of recent crime
show ups require GOOD REASON which need 3 factors: - Answer- nature of crime involved and concerns public safety
need for efficient police investigation in immediate aftermath of crime
importance of prompt confirmation of the accuracy of investigatory information
photo array - Answer- images of suspect and similar looking people; minimum of 6 photographs
neighborhood canvass - Answer- A door-to-door search of the area of a crime to identify witnesses
open contacts - Answer- people who willingly share specific knowledge of people, places, events; help generate investigative leads (teachers, mailmen, store clerks)
surveillance: open - Answer- conducted without any attempt to conceal the officer's presence
surveillance: close - Answer- primary objective is to keep a place or perso [Show Less]