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In the shooting scene, you'd be able to collect the shell of the bullet and that would be one step to find out what type of gun the perpetrator used. You could go through nearby stores and look through their CCTV camera and find out what kind of car it was and maybe even catch a glimpse of the perpetrators face. However if the shooting was in a residential area you could go door to door looking for witnesses. To see if anybody heard or saw anything.
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Not sure what to say here... Did u mean to post?
Several Medical and Law experts gathered together and debated the formation of a new half government half privatized department to assist the Fire Department and Police in the field faster than the hospital could. In fact back then even experts debated to make a law that drivers must yield to emergency vehicles. However that law didn't become official until 1996 when a Paramedic was struck and killed by another vehicle.