PPT-BALLISTICS

Bullets and Casings Timeline of Ballistics Examination 1923 FBI Bureau of Forensic Ballistics established 1929 weapons used in the St Valentines Day massacre identified by matching bullets. Most handguns are referred to as singleaction or doubleaction A singleaction firearm requires the user to manually pull back the hammer before the firearm allows t he user to either manually cock the hammer or simply pull the trigger and allo w the The vast majority of. U.S. homicides involve. guns. And they are more. powerful than ever.. . Lansing State Journal,. July 2007 . 1998--Deaths due to handguns. US 11,789 . Germany 373. Canada 151. Gunshot Residue (GSR); Wounds and Trajectory. Gunshot Residue. Traces of smoke and particles of unburned powder carried sideways from the firearm by the expansion of gases as the bullet is fired. GSR containing nitrates can stick to the person holding the firearm and leave evidence on the shooter. What is Forensic Ballistics. Any projectile is considered ballistic evidence.. These include bullets, arrows, objects launched from a slingshot etc.. Most often the scientist is looking at bullets.. The goal is to match a projectile with the weapon it came from.. LASSITUDE (LAS uh . tood. ) – listlessness; weariness 1. After . eating three servings of Thanksgiving dinner, George succumbed to a feeling of LASSITUDE and fell asleep on the chair.. . Cranny(KRAN . The vast majority of. U.S. homicides involve. guns. And they are more. powerful than ever.. . Lansing State Journal,. July 2007 . 1998--Deaths due to handguns. US 11,789 . Germany 373. Canada 151. 9. /3/15. Bellwork. How are you going to make a match between the crime scene bullet casing and test fired ones?. Ballistics p.34-35. Topic: Casings. Evidence: Match caliber and firing pin impressions to crime scene guns.. Projectiles. Definition: any material that travels with the ability to injure . Energy is dependent on the velocity, mass, and distance traveled by projectile. Not all projectiles come from fire arms!!!. 1 articles, however, were concerned with the issue of making a firearm that is inoperable due to rust/corrosion issues, operable. The articles did not address the issues involving the potential for dam COURSE OVERVIEW. This course is designed to help you master the AR style carbine by concentrating on functional and technique aspect of handling your rifle.. The course has been outlined to help you LEARN new information and techniques while allowing you to add to your knowledge base. We have included BASIC and INTRODUCTORY information to accent the outline with FUNDAMENTAL INSTRUCTION.. “ A well regulated militia, being necessary to the security of a free state, the right of the people to keep and bear arms, shall not be infringed.”. 2. nd. Amendment to the US Constitution. “. The Chinese invented gunpowder over a thousand years . ago. . using KNO. 3. , charcoal and sulfur.. Muzzle-loading matchlocks used wicks to ignite the gunpowder. . The cartridge and breech loading followed. . Dr. Andrew Ketsdever. Hybrid Propulsion Systems. A hybrid propulsion system is one in which one propellant is stored in liquid (or gaseous) state while the other is stored in solid phase.. Solid Propellant / Liquid (or gas) Oxidizer.