Each firearm leaves person markings with a bullet and circumstance when it really is fired. Such markings may be used to determine whether or not evidentiary bullets were being fired from the suspect weapon. Similar methods are placed on marks left at the rear of at crime scenes by pry bars, screwdr

The burns were intended to be identical to determine if variances will be found with a detailed analysis of the effects. In all situations, ignition of a gasoline spill close to an upholstered chair was used to initiate the fire. The scientists observed variances and attributed these to little versi