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Scientists have pioneered a mass spectrometry-based technique for semen detection that can provide more reliable identification for the justice system while placing less stress on the victim.

Since firearms are involved in many crimes, the Connecticut State Police wanted to also be able to train dogs to detect firearms and gunshot residue after a shot is fired.

Detectives from the Snohomish County Sheriff’s Office Major Crimes Unit arrested a 62 year-old Washington man for the April 1993 murder of 15 year-old Melissa Lee.

The pandemic and current social and economic tensions have transformed the way agencies are policing in the face of growing challenges and rising crime rates.

States with the most excess firearm purchases: New Hampshire, Mississippi, Kentucky, Vermont, Wyoming, Montana, Idaho and Arizona.