Investigations NC BLET State Exam Review

Question Answer
What is the first things you record when responding to a call? Record time call received, time of arrival, weather conditions,
Before entering the scene, what information should you try to obtain? Is anyone injured, what happened, is the suspect on scene, who is the suspect, who is the victim
What to do if someone needs medical attention? Call EMS and render aid
What kind of sweep should be done at the crime scene/area as soon as you arrive? Protective, check immediate are for victims or suspects only
Once scene is secure and anyone who needs medical assistance has been provided for, what is the next step? Protect the scene, call for backup, locate and identify witnesses, broadcast any information regarding suspect, advice assistance where to go when they arrive
After lawful entry is made into the scene, what should be done to begin processing? Locate potential evidence, establish a safe path, mentally trace events of the crime
What 3 things must be done before evidence can be bagged? Photograph, measure, and sketch
How to properly protect a crime scene? Position officers at entrances, rope off involved area, place signs on doors, position barricades to block streets, use cones or flares to block areas or guide traffic, use patrol vehicles to block streets
What are some ways to identify and locate potential witnesses? Canvass interviews, observe individuals that are talking amongst themselves, interview friends/relatives/associates of victim, interview anyone named during interviews
What is the proper procedure for recording confessions and other statements? Read them their Miranda rights, have them sign a waiver of rights and video and/or audio record it, doesn't have to be done at a LE facility
What should photos of a crime scene consist of? Photographers name, case #, type of case, date of photo
What is the 3 step approach for taking crime scene photos? Overall, mid-range, close up
What questions should an officer be able to answer about the evidence at a crime scene? Does it potentially recreate the events of the crime? Does is show an MO? Is it properly identified? Can the chain of custody be proved? Is it competent (material, relevancy)?
Which documents that are good for investigative leads are public records versus subpoena? Public record: motor vehicle registration, utility recordsSubpoena: tax records, school records
Which elements of a crime can identify a modus operandi of the perpetrator? Time occurred, type of weapon, locations of crime. type of victim, point/method of entry/exit, number of suspects, commands/demands made, type of property taken, insignificant items taken, eating victim's food, psychopathic defecation, evidence not left
How do you examine a deceased person to identify wounds and injuries? Photograph and document any abrasions (however slight), fingernail marks especially on neck area, gunshot wounds, blunt force injuries, and sharp force injuries
How to identify deceased persons? Record time of call/arrival, scene temperature and weather, conditions of body (rigor mortis, etc), systematically examine clothing, preserve evidence, note personal effects: driver's license, SSN, ID card, photos, letters, address books, keys, jewelry
Why is a search of the deceased belongings conducted? To delve into the persons background and establish leads
How to conduct a follow-up investigation of major crimes? Thoroughly review all info, discuss MO, motive, theories with other investigators, re-interview witnesses and ID/locate additional ones, ID possible suspects, establish intent, capability and motive once suspect is ID'd, arrest suspect and interview
What is a "show up"? Bringing a witness to a live suspect for possible identification only when a suspect matching the description is located in close proximity in time and place to the crime. Remember to photograph the suspect at the time and place of the show-up
What are the objectives of conducting surveillance? To prevent crime, a means of apprehending criminals in the act, a means of protecting undercover LE, substantiate allegations of a criminal violations, develop probable cause for a search warrant, to test informant reliability
What's one thing to remember to always use with evidence collection? Use gloves at all times,
How often to change gloves when collecting evidence? In between handling each item
What should each evidence item be labeled with and what kind of storage should it have? Case/item #, date/time of collection, collector's name, sealed in appropriate container, record it on evidence custody document, store it in a secured environment at the agency
Definition of "digital evidence" "Information and date of value to an investigative that is stored on, received, or transmitted by an electronic device"
T/F – Digital evidence can be easily altered, damaged, or destroyed. True
What are some examples of digital evidence? Internally attached computer hard drives. external drives, or other electronic devices
How to properly collect and preserve electronic evidence? Properly utilize PPE's when collecting evidence that may have DNA or other latent prints, separate the device from the person quickly to reduce destruction of evidence risk, do not interact with device, if off, don't turn it on, photograph
What information should you attempt to obtain from digital evidence? Phone number to device, passwords, swype code/patterns, chargers and cables, pins, removable media cards, email addresses, social media account info
What to do if device has the capability of being remotely wiped? If it is unable to be processes immediately, turn off the device, remove the battery if possible, do not turn it back on
What type of storage containers should be used to store digital evidence? Unused paint cans or arson evidence collections cans, faraday bags or containers, anti-static packaging like paper bags, envelopes, cardboard boxes, avoid plastic packaging materials,
What are the investigative steps to take at an arson crime scene? Prove it was started purposely, start immediately after fire is extinguished, check smoke/flame color & smell, how quickly did it spread, inventory what was lost, look for same person showing up at multiple fires, several starting points of fire, matches
What are "plants"? Preparations placed around the ignition device to get flames started (ex: rags, paper, trash, blankets)
What are "trailers"? Devices used to spread the fire (ex: rope, sheets, rolled paper). Used to spread the initial flame to another "plant"
What helps determine the point of origin of a fire? "V" shaped burn pattern
What are the investigative steps to take at a burglary crime scene? Collect evidence, establish MO, canvas area, enter stolen property into NCIC, check police records for suspicious person reports & similar cases, check with patrol LEO's and informants, check pawn shops/fences for property, return to scene at time occured
What are most burglary/B&E cases solved by? M.O. or physical evidence
Physical evidence potentially found at a burglary crime scene: tools/marks, fingerprints/impressions, blood/hair/skin, fibers, clothing/personal belongings, cigarette butts, DNA
What things to document at a burglary crime scene? Point of entry, how entry was made, items taken/left at scene, unusual behavior by onlookers, possible number involved, time occurred
What are indicators of fraudulent burglaries? Theft includes family heirlooms/appraised items of scheduled property, police report differs greatly from insurance report, alarm system failed, home is for sale, loss occurs at night (11pm particularly), neighbors saw owners moving item out prior
What are the investigative steps to take at a death investigation? Don't touch/move body unless integrity of body would be compromised, check for any signs of life, detail description of body/clothing, carefully examine hands for evidence (bag in paper), check for wounds and note location/number/type, look under body
Who must be notified every time an unexpected death occurs? Medical Examiner (regardless of circumstances, the investigative division of the appropriate LE agency should be contacted if deceased is under 18)
What should the first officer on a death investigation scene do? Record time call received/arrived, scene temperature and weather conditions, condition of body (rigor/livor mortis, temperature, obvious wounds)
What at a death investigation crime scene can aid the investigator in determining what happened? Any signs of struggle, amount and location of blood, weapons/ammunition, indication of visitors, windows open, lights or appliances on, dishes in kitchen, contents of trash, evidence of alcohol or drug use
What personal belongings of the victim of a murder can help identify potential suspects? Address books, checkbook, wallet, closets for clothes belonging to someone else, drawers
What can witness/neighbors/family help determine? When/with whom victim was last seen, wearing, recent mental/physical condition, items that do not belong to victim, frequent visitors, victim's habits, valuables missing from victim's past
What should investigator check regarding victim? Records for criminal activity, officers known to victim, for computer, social media sites, cell phone and records, friends, family, associates

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