UPTP Test 4 Guaranteed Success

UPTP Test 4 Guaranteed Success Preliminary Police Investigation turned over to an investigator Begins when officers are called and ends when the scene is Identify methods to secure a crime scene Protect the evidence Ask initial interview questions Secure the perimeter and only allow first responders inside TRUE T/F: The sooner the LEO can respond to a burglary that occurred overnight, the better the chance of an arrest. Why should witnesses be separated? To avoid matching stories What is the number one priority of an LEO upon arrival at the scene? Who is allowed into a crime scene? Testimonial Evidence Only those approved by the LEO. The spoken word/statement Documentary Evidence Render aid to the injured The written word; may become physical evidence Physical Evidence Class Characteristics Real; has form or mass When referring to evidence, it is something that is not unique to that item. Examples include a 9mm casing or tread from new tires. CANNOT positively identify the owner Individual Characteristics When referring to evidence, it is something that is unique to that item. Examples include finger prints. CAN positively identify the owner. Locards Principle of Interchange It is highly impossible that someone can enter and environment without leaving some trace and leave that environment without carrying away some trace. Types of Notes Written Photos/Video/Audio Sketches What do field notes begin with? If you make an error in your notes... The date/time you received the call Draw a single line through it. Where should you measure from in a crime scene? windows, etc.) What are the 3 perspectives of photography? Fixed points (corners of a room, doors, Overall Intermediate Close up (with scale) Chain of Custody A document that details the life of a piece of evidence, from the time it was discovered to the time it is no longer needed. This includes anyone who takes possession of the item. When should you mark a piece of evidence? forensic value. Steps for packing evidence: Pre-label the container Document Transport the container to the evidence Place the evidence inside Seal immediately Person borne IED (PBIED) Always UNLESS the marking with diminish its Usually a suicide vest Body Cavity IED Can be inserted into body cavities or surgically implanted. Can be detected by an unusual gait. Attack is imminent behavioral patterns No luggage No obvious emotion Thousand yard stare Symbolic cleansing rituals Bulky/loose clothing Nervousness Planning stages behavioral patterns Making threats Demonstrated hatred towards America Surveillance Probing Pre-blast Incident One-way ticket purchase Bragging about attack Before detonation and when LEO has information Trans-blast Incident Post-blast Incident Attempted detonation but something goes wrong. Detonation has occurred. LEO Use of Force for a Suicide Bomber articulable facts. Asian White Heroin Use of Force is permitted at the first opportunity with Varies in color from bright flat white to medium tan or gray. Has a strong smell of vinegar, granulation similar to talcum powder, and a bitter taste. Mexican Brown Heroin Similar to Asian White Heroin but is distinguished by the color being medium brown-brick red. Granulation is similar to brown sugar. It also absorbs moisture and with clump together in the container. Black Tar Heroin When fresh, it has the consistency of roofing tar. When dried, it turns gray and becomes rock-like. Still smells like vinegar and has a bad taste. Cocaine HCL powder. A white powdery substance that has a pearlescent sheen. May appear as a fluffy Crack Cocaine/Cocaine Base HCL using baking soda. Appears as a waxy, chunky, rock like substance when converted from Appears as a clear, crystal, when converted from HCL using ether and ammonia. *NOT water soluble.* Methampetamine A powder substance, usually white to gray, but an also be produced in different colors depending on the agents used. Crystal meth resembles a rock and is water soluble. Marijuana Hashish a green to brown leafy substance and may contain seeds/stems. Contains THC. the THC spores removed from marijuana plant and compressed t