Some officers examine casings and bullets under microscopes. In instances where a gun was found by police at the scene of a shooting, the test-firing process would require a technician to shoot that weapon with department bullets before comparing shell casings under a comparison microscope to others that were collected at the crime scene.
One is a small firing range for fully automatic weapons, as well as other more powerful firearms. They are fired by a technician into a black wall covered in a rubbery material. Shotguns are test-fired into a trap device, which captures their pellets. The second room has a trough-like water tank where officers fire semi-automatic handguns — or guns that fire one bullet per trigger pull — through an opening, with the water slowing and then stopping the bullets.
Findings are then peer-reviewed by a firearms examiner who also works in the CPD lab. Bureau of Alcohol, Tobacco, Firearms and Explosives. Through ballistic imaging, NIBIN technology compares shell casings collected by law enforcement and scans them through its voluminous computerized system to see if they match casings from other shootings, based on their markings.
But this technology has limitations. In Chicago street violence, guns get passed around constantly, bought and sold in the underground market, and even stolen from legitimate owners or gun dealers, often making it difficult for investigators to ultimately make an arrest.
If detectives want anything NIBIN-related to be used in court, confirmed ballistics matches can be made only by a certified firearms examiner from the Illinois State Police crime laboratory who analyzes the evidence by hand. Even then, some research has questioned the underlying reliability of ballistics matches. For instance, a forensic science report submitted to the U.
Meanwhile, at the CPD firearms lab, hundreds of guns in envelopes were stacked on shelves in the water tank room. They were sitting in boxes waiting to be test-fired, said Kwong, the sergeant in the firearms lab. More Police1 Articles. More Product Listings. More Product news. Make Police1 your homepage. How to buy prisoner transport and squad inserts eBook. Evolving strategies to win the war on opioids eBook. Recalling that New York's firefighters came back and beat the NYPD by one point, he urged Chicago's finest to engineer the same kind of rally.
And they did just that. They responded. There's no doubt the character and the heart that these guys have," McCarthy said shortly after the police team — dubbed the Enforcers — prevailed in overtime over the Chicago Fire Department 's team — aptly called the Blaze — The game came down to an overtime field goal made by the police kicker, Chris Lenti, followed by loud chants of "CPD!
Rita High School's football stadium on the Southwest Side. Although his team lost, fire Commissioner Robert Hoff said, "It's hard-nosed football, it's a good rivalry" and "it brings people together. The game raised money for various charities and included a moment of remembrance to honor Corey Ankum and Edward Stringer, two Chicago firefighters who died in a South Side fire last year.
Chicago police Officer David Blake, a former Enforcers player, was also honored at the game. Also in attendance was Chicago Bears tight end Greg Olsen, who administered the coin toss before the start of the game.
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