Crime Scene Cleanup >> Crime Scene Clean Up Certification

Respond with caution.Officers who arrive at a crime scene must be cautious and methodical. They should strive to preserve the scene with minimal contamination[opens in pop-up window]and should not disturb physical evidence. The responding officer(s) should: Note or log dispatch information (e.g., address/location, time, date, type of call and Crime Scene Clean Up Certification parties involved). 

Be aware of any persons or vehicles in or leaving the crime scene. Approach the scene cautiously, scan the entire area, and note any possible secondary crime scenes. Crime Scene Clean Up Certification Make initial observations (look, listen, smell) to assess the scene and ensure officer safety before proceeding. Remain alert and attentive. 

Treat the location as a crime scene until it has been assessed and determined to be otherwise. Follow safety procedures. Crime Scene Clean Up Certification Officers must identify any dangerous situations or people to keep themselves and other individuals safe. The responding officer(s) should: 

Ensure that there is no immediate threat to other responders[opens in pop-up window] scan the area for sights, sounds and smells that may present danger (e.g., hazardous materials such as gasoline). Crime Scene Clean Up Certification If the situation involves a clandestine drug laboratory, biological weapons[opens in pop-up window], or radiological.

Chemical threats[opens in pop-up window]the officer should contact appropriate personnel/agencies before entering the scene. Crime Scene Clean Up Certification Approach the scene in a manner that maximizes the safety of victims, witnesses, officers and others in the area. Survey the scene for dangerous persons and control the situation. Notify supervisory personnel and call for assistance/backup. 

Provide for emergency care.Officers should ensure that medical attention is provided to injured people, and minimize contamination of the scene. Crime Scene Clean Up Certification The responding officer(s) should: Assess the victim(s) for signs of life and medical needs and provide immediate medical attention. 

Call for medical personnel. Guide medical personnel to the victim to minimize contamination or alteration of the crime scene. Crime Scene Clean Up Certification Point out potential physical evidence to medical personnel, and instruct them to minimize contact with such evidence (e.g., ensure that medical personnel preserve all clothing and personal effects without cutting through bullet holes, knife tears, etc.). 

Document movement of persons or items by medical personnel. Instruct medical personnel not to clean up the scene and to avoid moving or altering items originating from the scene. Crime Scene Clean Up Certification Obtain the name, unit and telephone number of attending medical personnel, and the name and location of the medical facility where the victim is to be taken. 

If there is a chance the victim may die, attempt to obtain a dying declaration [opens in pop-up window]or a statement about the circumstances surrounding his or her impending death. Crime Scene Clean Up Certification Document any statements/comments made by victims, suspects or witnesses at the scene. 

If the victim or suspect is transported to a medical facility, send a law enforcement official with the victim or suspect to document any comments made and preserve evidence. Crime Scene Clean Up Certification (If no officers are available to accompany the victim/suspect, stay at the scene and ask medical personnel to perform this task.) Secure and control people at the crime scene.

Officers should control, identify and remove people from the crime scene. Crime Scene Clean Up Certification The responding officer(s) should: Control all individuals at the scene — prevent individuals from altering or destroying physical evidence by restricting movement, location, and activity while ensuring and maintaining safety at the scene. 

Identify all individuals at the scene, such as: Suspects. Secure and separate. Witnesses. Secure and separate. Bystanders. Determine whether they were witnesses, if so treat as above, if not, remove from the scene.  Crime Scene Clean Up Certification Victims/family/friends. Control while showing compassion. Medical and other assisting personnel. 

Exclude unauthorized and nonessential personnel from the scene (e.g., law enforcement officials not working the case, politicians and media). Identify, establish, protect and secure boundaries. Crime Scene Clean Up Certification Officers can protect and secure a crime scene by defining and controlling its boundaries. 

Boundaries should be expanded beyond the initial scope of the crime scene with the understanding that the boundaries can be reduced in size if necessary. Crime Scene Clean Up Certification The responding officer(s) should: Establish the scene(s) boundaries, starting at the focal point and extending outward to include: Where the crime occurred. 

Potential points and paths of exit and entry of suspects and witnesses. Places where the victim/evidence may have been moved. Crime Scene Clean Up Certification Be aware of trace and impression evidence[opens in pop-up window] while assessing the scene. Set up physical barriers (e.g., ropes, cones, crime scene barrier tape, available vehicles, personnel, other equipment) or use existing boundaries (e.g., doors, walls and gates). 

Document the entry/exit of all people entering and leaving the scene, once boundaries have been established. Control the flow of personnel and animals entering and leaving the scene. Crime Scene Clean Up Certification Work to preserve and protect evidence that may be lost or compromised (e.g., protect from the weather, footsteps, tire tracks and sprinklers). 

Document the original location of the victim or objects that you observe being moved. Crime Scene Clean Up Certification Consider search and seizure issues to determine the necessity of obtaining consent to search and/or obtaining a search warrant. Note: Within the boundaries of the scene, people should not: Smoke. Chew tobacco. Use the telephone or bathroom. Eat or drink. 

Move any items, including weapons (unless necessary for the safety and well-being of persons at the scene). Adjust the thermostat or open windows or doors. Maintain scene as found. Crime Scene Clean Up Certification Touch anything. Note and document any items moved. Reposition moved items. Litter. Spit. 

Turn over control of the scene and brief the Responding officers should brief the investigator(s) taking charge to help control the crime scene and establish further investigative responsibilities. Crime Scene Clean Up Certification The responding officer(s) should: Brief the investigator(s) taking charge. Assist in controlling the scene. Turn over responsibility for the documentation of entries and exits from the scene. 

Remain at the scene until he or she is relieved of duty. Document actions and observations. Crime Scene Clean Up Certification Officers should create a permanent record of all activities conducted and observations made as soon as possible after the event. The responding officer(s) should document: 

Observations of the crime scene, including the location of persons and items within the crime scene and the appearance and condition of the scene upon arrival. Crime Scene Clean Up Certification Conditions on arrival (e.g., lights on/off; shades up/down, open/closed; doors and windows, open/closed; smells.)

(Ice, liquids; movable furniture; weather; temperature; and personal items.) 
Personal information from witnesses, victims or suspects. Crime Scene Clean Up Certification Any comments they make. Actions by the officer and others present.

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