If he finds any illicit medications or not known powders with the scene, he can obtain them employing a knife then seal Every sample in a very separate, sterile container. The lab can recognize the substance, ascertain its purity and find out what else is during the sample in trace quantities. These assessments could ascertain drug possession, drug

The use of depth of char and relating this depth to length of burning has fluctuated regarding its usefulness in fire investigations For the reason that mid-1950’s. Kirk’s (1969) text was the main reference that indicated investigators could use this facts for more than simply course of harm when he spelled out “investigators make measurement