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A shell casing or cartridge left at a crime scene can be an important piece of evidence. Scientists in the BCA firearms laboratory can use them to determine whether the casings came from a specific firearm or whether the same firearm was used in other crimes.
Check out this story in which a BCA scientist shows us how it works.
Learn more about the BCA firearms laboratory.
Thousands of Minnesota children are starting to use the new electronic devices they received over the holidays. Parents: remember that the need for monitoring children's activities online doesn't stop with your laptop. Smartphones, IPads and gaming systems are also avenues predators may use to target your children.
Get information on electronic device security and monitoring tools.