SWAT

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In the United States, a SWAT (special weapons and tactics) team is a generic term for a police tactical unit.

SWAT units are generally trained, equipped, and deployed to resolve "high-risk situations", often those regular police units are not trained or equipped to handle, such as shootouts, standoffs, raids, hostage-takings, and terrorism. SWAT units are equipped with specialized weapons and equipment not normally issued to regular police units, such as automatic firearms, high-caliber sniper rifles, stun grenades, body armor, ballistic shields, night-vision devices, and armored vehicles, among others. SWAT units are often trained in special tactics such as close-quarters combat, door breaching, crisis negotiation, and de-escalation.

The first SWAT units were formed in the 1960s to handle riot control and violent confrontations with criminals. The number and usage of SWAT units increased in the 1980s during the War on Drugs and the 1990s following incidents such as the North Hollywood shootout and Columbine High School massacre, with further increases in the 2000s for counterterrorism interests in the aftermath of the September 11 attacks. In the United States by 2005, SWAT teams were deployed 50,000 times every year, almost 80% of the time to serve search warrants, most often for narcotics. By 2015, the number of annual SWAT deployments had increased to nearly 80,000 times a year.^[1] Despite their heightened involvement in high-risk scenarios, research on their use of force has shown varied results. A study by professor Jimmy J. Williams and professor David Westall found that there wasn't a significant difference in the frequency of use of force between SWAT and non-SWAT officers when responding to similar situations.^[2]