NC BLET Criminal Investigation questions and answers well illustrated.

NC BLET Criminal Investigation questions and answers well illustrated. Criminal Investigation - correct answers.The reconstruction of a violation of criminal law in order to identify and locate the perpetrator and gather evidence for trial. Questions to ask Witnesses before entering the scene - correct answers.-Is anyone injured? -What happened? -Is the suspect still on scene? -Who is the suspect? -Who is the victim? Things to Record when you arrive on scene - correct answers.-The time you received the call. -Your time of arrival. -Weather Conditions. Investigative Steps - correct answers.-Record Information about the call. -Question Witnesses. -Give aid to anyone injured on the scene. -Check the immediate area for the suspect(s) or victim(s), also called a protective sweep. -Protect the scene and call for the necessary assistance. -Locate and identify witnesses. -Broadcast any lookouts or necessary information. -When the requested assistance arrives , secure the scene more adequately. -After entry has been lawfully made, whether by exigent circumstances , search warrant, or consent, the investigating officer should carefully walk thru the scene. -Photograph,measure, and sketch the scene including all items of evidence. -Collect, label, and package evidence. -If necessary, secure the scene until some follow up investigation is done. Two Reasons for Preservation of the Crime Scene - correct answers.-To prevent the destruction or removal of physical evidence AND -To allow for accurate reconstruction of the events occurring at the scene. Preservation starts by removing____________________________________________ from the area. - correct answers.Unauthorized Persons Methods for securing the crime scene area - correct answers.-Posting additional officers at entrance. -Roping off the involved area. -Placings signs on doors. -Positioning barricades to block streets. -Using traffic cones or flares to block areas or provide a guide for direction of travel. -Using patrol vehicles to block streets or a specific area. Seven Areas Common to most Crime Scenes - correct answers.-Place of arrival -Point of entry -Path through the scene -Contact with the scene -Contact with the victim -Place of exit -Place of arrest Whenever possible, all evidence should be __________________until photographed and measured for the sketch. - correct answers.Unmoved If anything is touched or moved- - correct answers.-the officer must document that in their report and obtain elimination fingerprints and DNA from the party that moved or touched the item. Ways to Locate and Identify Potential Witnesses - correct answers.-Conduct an area canvass to locate those that live or work near the crime scene. -Observe the individuals that are talking amongst themselves while others are listening. -Interview friends, relatives, and associates of victim. -Interview those named during the interviews with the above people. -Check your local department records division for associates to the victim and/or suspect. -Locate photographs found at the scene or in the victims possession, of possible associates. -Locate the victims address or phone book. -Seize surveillance film from the location of the crime and/or area surrounding businesses. -Recover cell phones and other devices which hold memory from the victim, suspect, and witnesses. Minimum Identification for People Interviewed - correct answers.-Full Name -Sex, race, and date of birth -Home address and phone number -Business address and phone number -Cell Phone number(s) -E-mail Address -Next of kin or friend contact information When possible get a __________________________ statement from each witness. - correct answers.Recorded(Video or audio) Statement - correct answers.First-hand account of a crime as given to an investigating law enforcement officer. Purposes for obtaining a statement - correct answers.-Provide a first hand account of what a victim, witness, and/or suspect say occurred. -Substantiate the charges against the suspect. -Impeach conflicting testimony of a witness or suspect in court. -Provide investigative information such as descriptions or identify of suspects and vehicles. Three Basic Sources of Statements - correct answers.-Witness -Victim -Suspect Preferred format of statements - correct answers.Audio or Video recorded statements Prior to conducting a custodial interview of a suspect, they MUST be advised of their_________________________________________. - correct answers.Miranda Rights Statements-General Data - correct answers.-Date -Times(started and completed) -Location taken -Name of officer(s) taking the statement -Case number Statements-Biographical Data about person being interviewed - correct answers.-Full Name -Personal Identifying Numbers -Date of Birth -Place of Birth -Present Address -Employment Status -Telephone number(s) Parts of Statements-Body(formats) - correct answers.-Narrative -Question and Answer Use words___________________ the subjects vocabulary. - correct answers.Within Proper reconstruction of the crime scene must include - correct answers.-Field Notes -Photographs -A crime scene sketch -Evidence Custody Documents Field Notes - correct answers.A log of the officers actions at the scene. Modus Operandi - correct answers.Method of Operation Photographs are admissible evidence if they______________and ______________________________ represent what is observed at the scene. - correct answers.Fairly and accurately Minimum Labels needed on a photograph - correct answers.Photographers name Case number Type of case Date of photograph Photographing Three-step approach- - correct answers.Over-all Mid-range Close-up A________________ or some object to indicate size should be included in the picture. - correct answers.Ruler Videography/Photography Components - correct answers.Exterior Scenes Interior Scenes Any evidence of the individuals activities immediately before the crime. Areas which tend to show an object may have been taken or is missing. Condition of windows/Doors Trace Evidence Weapons Trace Evidence - correct answers.-Stains that appear to be blood, blood spatter, or other bodily fluids. -Footwear impressions and footprints. -Hair and Fibers. -Tool Marks. Sketches of the crime scene should include- - correct answers.-All items necessary to reconstruct the scene. -All items of evidence. -Accurate Measurements. -Relative proportions. -An indicator showing north. Three most common methods of measurement - correct answers.Triangulation Rectangular Coordinate Method Base Line All evidence from the crime scene should be_______________________________,____________________________,and_______________________. - correct answers.Recognized, Documented, and Collected. Methods of searching the Crime Scene - correct answers.Lane Method Grid Method Zone Method Spiral Method Physical Evidence or "Real Evidence" - correct answers.Can be seen, touched, smelled, or tasted. Competent Evidence must be- - correct answers.Material Relevant For biological evidence you should___________________________________________________________________________________________________________________. - correct answers.Change gloves between every sample collected