Firearms at a Crime Scene Essay

After a firearm has been photographed at the scene, it will be necessary to be rendered safe. An automatic pistol will require its magazine to be removed and the round extracted from the house. When removing the magazine it will need to be handled guardedly in order to lay aside potential fingerprint evidence and be placed in a penning or plastic evidence bag. The round from the chamber should be placed in a plastic vial or paper envelope. A revolver will need to have the rounds taken from the chamber within the cylinder. The chamber that is on top and in line with the barrel will need to be mark.The cylinder and chambers should be sketched and assigned numbers. As the rounds are removed from the chambers, they need to be placed in single(a) plastic vials or paper envelopes with a corresponding chamber number indicated. Regardless of display case, automatic or revolver, each firearm will need to have an denomination tag affixed to its trigger guard. The identification tag ne eds to contain the hammer position, caliber, make, model and serial number of the firearm, the investigators name, date, time, and location of collection.An additional identifier john be scratched on to the firearm, in an inconspicuous location, and in a manner that will not impairment potential evidence. If the firearm was recover from under the waters surface, it will need to be clear(p) as mentioned previously, pertinent details recorded, and placed in an evidence container that will allow it to remain covered in the same water that it was found. The firearm should not be cleaned or allowed to dry.The rounds recovered from either type of weapon will need to be packaged individually, preferably in plastic vials or paper envelopes. Each vial or envelop will need to be accompanied by the interest information date, time and location of recovery, caliber, and investigators name. If a bullet is found at the scene it should be handled carefully in order to protect the striation mark s. Bullets should not be pulled out of materials that they are lodged in the adjoin materials should be broken or chiseled away.The bullet should be marked either on the leg or the base, wrapped in tissue paper, placed in a plastic vial or envelope, and the afore mentioned information attached to the applicable evidence container. Spent shell casings, if found, should be picked up with tweezers or forceps, marked with an identifier near the mouth of the casing, packaged individually in plastic vials or envelopes, and be accompanied by the previously mentioned pertinent information. It is imperative that the chain of custody reflects the change of possession when any item is turn over over to a laboratory or testing facility.