Firearms at a Crime Scene Essay

by and by 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(p) and the hertz extracted from the chamber. When removing the magazine it will need to be handled carefully in say to preserve potential fingerprint evidence and be placed in a paper or plastic evidence bag. The round from the chamber should be placed in a plastic vial or paper envelope. A revolver will need to fill 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 marked.The cylinder and chambers should be sketched and assigned numbers. As the rounds are removed from the chambers, they need to be placed in individual plastic vials or paper envelopes with a corresponding chamber number indicated. Regardless of type, automatic or revolver, distributively firearm will need to have an identification tag stick on to its trigger guard. The identifica tion tag needs to contain the hammer position, caliber, make, mildew and serial number of the firearm, the investigators name, date, time, and location of collection.An additional identifier can be scratched on to the firearm, in an inconspicuous location, and in a manner that will non damage potential evidence. If the firearm was recover from under the waters surface, it will need to be cleared as mentioned antecedently, 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 severally, preferably in plastic vials or paper envelopes. apiece vial or envelop will need to be tended to(p) by the following information date, time and location of recovery, caliber, and investigators name. If a warmer is found at the scene it should be handled carefully in order to protect the st riation marks. Bullets should not be pulled out of materials that they are lodged in the surrounding materials should be broken or chiseled away.The bullet should be marked either on the point 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 handed over to a laboratory or interrogation facility.