In the case involving Bad Bob, although he had been present during the time that the shooting occur and most will say that he shot the victim because he was his old girlfriend’s new boyfriend. While, Bob was arrested and test for GSR (gunshot residue) and the results were positive that does not mean anything. According to the article under what to do with a positive GSR, getting an accurate count of the particles is essentially important. It was stated if the particle is more than 2000+ containing the face, hands and other body parts that is a sign of a problem. However, if the particle is 20 or less that could mean that the individual had come in contact with police or someone who was believed to have shot the weapon. There is also other factors
