http://www.koaa.com/story/37043919/s...new-technology

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In the last few years, law enforcement in southern Colorado have been able to track down serial shooters with the help of technology at a Colorado Bureau of Investigation (CBI) lab.
The lab uses shell casings from crime scenes to track down criminals from crime scenes.
'The biggest thing its looking for is trying to decrease the number of gun crime,' said Shawn West, Lab Director for CBI in Pueblo.
Since the program's inception in 2014, it's helped solve several crimes in Southern Colorado.
'We can find in many cases, something that was used in a very minor crime or not even a crime at all can be used in a bigger case, so we're making an impact,' said Chief Pete Carey with Colorado Springs Police Department.
At a press event on Monday, representatives from the Bureau of Alcohol, Tobacco, Firearms and Explosives, El Paso County Sheriff's Office, 4th Judicial District Attorney's Office, Pueblo Police Dept., Colorado Springs Police Department, Colorado Bureau of Investigation, and the U.S. Attorney's Office all spoke about the benefit of partnering with these organizations to solve crimes.
In Colorado Springs this year, Chief Carey says 55 people were arrested based on the evidence in the program.
'This program, this technology, the partnerships: removes any doubt, so anybody that we lay our hands on is a serial shooter,' said Jeff Russell, Supervisory Special Agent with the Bureau of Alcohol, Tobacco, Firearms, and Explosives.