MPTC CRIMINAL INVESTIGATIONS QUESTIONS WITH CORRECT ANSWERS

Respond to the scene and make it safe - Answer Plan a safe response Take the most direct route and safets route In progress crimes= look for matching descriptions of people/ vehichles involved Emergency care for injured/ wounded - Answer Request EMS when needed Establish a pathway for first responders to avoid evidence destruction Do not clean up or move any treatment supplies used by EMS Do not attempt to reposition/ return physical evidence to its original spot ID Persons treated on scene Bodily injury - Answer Substantial impairment of the physical condition Burn, fracture Serious bodily injury - Answer Creates permanent disfigurement prolonged/permanent loss of bodily function Overall (injury photo taking) - Answer Take at least one overall photo of the person to include the face, injury and other unique features such as jewelry, tattoos clothing. Mid-range (injury photo taking) - Answer Take photos of each injury from 2-4ft away Close up (injury photo taking) - Answer Take photos of each injury less than 2ft away. Place ruler or other objects to compare size Follow up (injury photo taking) - Answer Injuries may intensify over days. Take photos 2-3 days after Separate and remove people - Answer Prevent influence from other people Separate victims and witnesses ID and separate witnesses for interviewing Remove uninvolved bystanders Protecting the crime scene - Answer The crime scene is a specific place where a crime has been committed and physical evidence is located Establish temporary crime scene perimeters Do not touch, move or alter any item within the crime scene until it has been evaluated Establish pathways to enter and exit Modus Operandi (MO) - Answer Think motive "Uniqueness of technique a distinctiveness or a particularly distinguishing pattern of conduct common to the current and former incidents that link one crime to another" Initial walk through - Answer Use pathways to minimize evidence contact or contamination prevention Identify special clothing or equipment needs for safety or contamination prevention ID points of contact Request expert investigators and forensic specialists Points of contact - Answer Entry and exit Between suspect and victim Between suspect and evidence Between victim and evidence Inner perimeter - Answer Where the actual crime took place and contains physical evidence Make this perimeter at least twice the size of the actual crime scene Use red tape for inner and yellow for outer perimeter Only allow authorized personnel in Establish a single entry and exit At least 2 officers should guard the entry and exit Establish a crime scene log Outer perimeter - Answer The staging area for support personnel and equipment Identify perimeter with a combination of emergency vehicles, police officers, barriers and line tape Photograph crime scene - Answer Provides a visual record of the scene and helps identify relevant evidence Use agency owned camera. Do Not use personal phone/ camera Photograph crime scene/ evidence as found Overall (photographing the crime scene) - Answer Photograph crime scene from outer perimeter first. Multiple angles/ perspectives Take these photos before placing markers For outdoor crime scenes include land markers, street signs, house numbers Midrange (photographing the crime scene) - Answer Inside the inner perimeter Multiple angles/ perspectives Includes property damage and specific items, exits and entry points 5-10ft away Close range (photographing the crime scene) - Answer Specific evidence from a perspective of less than 4ft away Positively identify objects (license plates, serial numbers, impression evidence) Evidence collection - Answer Evidence is something that establishes fact or truth CSI effect - Answer Juries are more likely to convict a suspect in an evidence based prosecution Chain of custody - Answer The meticulous and chronological documentation of evidence from the moment seized to presentation in court Prevents loss, destruction, tampering, and contamination Shows every person who came in contact with evidence Evidence packaging and storage - Answer Containers are made of paper, cardboard, plastic, and glass Seal containers to prevent tampering Evidence tags are used to identify evidence Store evidence in a restricted location Physical evidence - Answer Is tangible (things we can touch) "can be perceived by sense of touch" Can be direct or circumstantial evidence Used to reconstruct crime scenes and link people to specific places and or other people Items can be: drugs, money, clothing, weapons, documents, digital files, fingerprints, DNA etc.