NC BLET Criminal Investigation question n answers rated A+

NC BLET Criminal InvestigationWhere can we find victims, witnesses, and/or suspects? - correct answers Canvassing What are the three sources of statements? - correct answers Witness, Victims, and Suspects. What is usually the most important type of evidence? - correct answers Physical What goes on photographs? - correct answers Case #, type of case, date and time. Put a video camera on what? - correct answers Mute/silent. What are some reasons for establishing an M.O. for investigating a crime? - correct answers Predict the next target, establish a pattern, but it will not give a suspect's name. What's the stiffening of muscles in a dead body? - correct answers Rigor mortis What is the pooling of blood to the lower extremities called? - correct answers Liver mortis What is the most important thing when dealing with an unidentified deceased person? - correct answers Identifying them. When preparing an investigative report, what should you give the DA? - correct answers Give them all your files/everything. It includes field notes, pictures, etc. What are the four search methods? - correct answers Grid, Strip, Zone, Spiral. When you have search warrant/consent to walk through the crime scene, what are you doing? - correct answers You're creating a path that's safe to walk through, you're recreating the crime in your head, and searching for evidence Three types of measurements - correct answers Rectangular, Triangular, Base-line Why is the crime scene protected? - correct answers To prevent destruction/removal of physical evidence, and to allow for an accurate reconstruction of events occurring at the scene What is a proper response if someone claims lost property that is in your possession as a LEO? - correct answers Do not give it back to the individual. Inventory it immediately Grid (double strip) method - correct answers A search method employed by two or more people overlapping separate line searches forming a grid. It is the same method as the strip method, but modified to cover the entire area twice Strip method - correct answers A search method used by one or two investigators by walking in straight lines across the crime scene. It can be used indoors or outdoors, and for looking for small/large items. The distance between officers should be governed by the evidence sought. Zone method - correct answers A search method in which the crime scene is divided into smaller sections (zones or quadrants) and team members are assigned to search each section. It is excellent for individual rooms and vehicles. It is particularly good when looking for small items of evidence. Officers participating should check areas already searched by others. Spiral Method - correct answers A search method in which the investigator move in an inward spiral from the boundary to the center of the scene or in an outward spiral from the center to the boundary of a scene. It is best used for large areas. Officers can start inside working out or the reverse When conducting a search of a crime scene, it is best to start the scene how? - correct answers Start the scene large and then reduce it A rough sketch should include - correct answers all items necessary to reconstruct the scene all items of evidence accurate measurements relative proportions an indicator showing north All items collected at a crime scene must include information on the container, including - correct answers case number, date/time of collection, item number, and collector's name/initials How do you identify possible suspects? - correct answers Through eyewitnesses, circumstantial evidence, establishing a method of operation, and physical evidence M.O. - correct answers method of operation Not disclosing discovery in superior court is - correct answers a felony What are the reasons for establishing an M.O.? - correct answers show a pattern of criminal behavior associate numerous crimes with a single suspect possibly predict the perpetrator's next target assist investigators in recognizing the characteristics of criminal activity If you see the same person showing up at numerous fires - correct answers it is suspicious, and could establish a suspect for arson A suicide must always be investigated with the thoroughness of a - correct answers homicide investigation A victim of current physical abuse calls 911. As the responding LEO, upon arrival to the scene you notice the bruises the victim has are green/yellow. This is in indication of what? - correct answers The victim may be lying about the time frame of when the bruises occurred. She should be referred to medical services to confirm the veracity of her claims. A statement - correct answers is a first-hand account of a crime as given to an investigating LEO The minimum identification in the written report for anyone interviewed should include - correct answers Full name, sex/race/DOB, home address/phone #, business address/phone#, cell phone #s, E-mail address, next of kin/friend contact info What order should a person's statement tell the facts in? - correct answers The order in which they recall them. When can you delete photographs of a crime scene? - correct answers Never under any circumstances. A proper reconstruction of the crime scene must include - correct answers Field notes, photographs, a crime scene sketch, and evidence custody documents Why are crime scene searches conducted? - correct answers To locate evidence which will corroborate statements provided and, when the suspect is unknown, lead to the identity of a suspect. Triangulation Method - correct answers From two fixed points, measurements are taken to specified points on an item or within the crime scene. There is no need to worry about whether or not measurements have been made at a right angle because the points derive from a known fixed point, such as the corner of a room, or edge of a door frame. From these fixed points, a minimum of two measurements are made to each identified point Rectangular Coordinate Method - correct answers Two measurements are taken to a point on an item or location at the scene. One from each identified baseline. Base Line Method - correct answers This is the most basic—and least accurate—form of crime scene mapping. For this method, a baseline is developed or identified from which to conduct measurements. This can be an existing area, such as the edge of a roadway, a wall, fence, etc., or it can be developed by personnel, such as by placing a string or tape measure through the scene and conducting measurements from there. Once the baseline is established, measurements are taken from the baseline at an approximate 90 degree angle from the baseline to a point on the identified item or area of the crime scene What is the primary use of surveillance? - correct answers To gather/collect information What is a show up? - correct answers The live presentation of a criminal suspect to a victim or witness of a crime. What should you not do during a show up notification? - correct answers Make suggestions to the victim/witness What is an electronic device? - correct answers All devices that can use/store or transmit data. What is an electronic crime? - correct answers a convenient name to describe some new crimes made possible by the wider availability of computers and the opportunities provided by the Internet as well as some new ways of committing old crimes. They utilize electronic means. What should you do with a battery powered piece of evidence? (i.e. a computer...) - correct answers Turn the device off (an LEO should inform a technician to handle this)