The first SWAT team was established in the Los Angeles Police Department in the 1960s. Since then, many American police departments, especially in major cities and at the federal and state-levels of government, have established their own elite units under various names; these units, despite their official name, are referred to collectively as SWAT units in colloquial usage.
As far as the LAPD SWAT team's beginning, Gates' explained in his autobiography Chief: My Life in the LAPD, that he neither developed SWAT tactics nor its distinctive equipment. Gates wrote that he supported the concept, tried to empower his people to develop the concept, and lent them moral support.
Gates wrote explaining that he originally wanted to name the platoon "Special Weapons Assault Team" or "Special Weapons Attack Team". However, this name was turned down by his boss, then-deputy police chief Ed Davis. Wanting to keep the name "SWAT", Gates changed the acronym to Special Weapons And Tactics.
While the public face of SWAT was made known through the LAPD, perhaps because of its proximity to the mass media and the size and professionalism of the Department itself, the first SWAT operations were conducted far north of Los Angeles in the farming community of Delano, California on the border between Kern and Tulare Counties in the great San Joaquin Valley. César Chavez' United Farm Workers were staging numerous protests in Delano, both at cold storage facilities and in front of non-supportive farm workers' homes on the city streets. Delano Police Department answered the issues that arose by forming the first-ever units using special weapons and tactics. Television news stations and print media carried live and delayed reportage of these events across the nation. Personnel from the LAPD, having seen these broadcasts, contacted Delano PD and inquired about the program. One officer then obtained permission to observe Delano Police Department's special weapons and tactics in action, and afterwards took what he'd learned back to Los Angeles where his knowledge was used and expanded on to form their first SWAT unit.
John Nelson was the officer who came up with the idea to form a specially trained and equipped unit in the LAPD, intended to respond to and manage critical situations involving shootings while minimizing police casualties. Inspector Gates approved this idea, and he formed a small select group of volunteer officers. This first SWAT unit initially consisted of fifteen teams of four men each, for a total staff of sixty. These officers were given special status and benefits. They were required to attend special monthly training. This unit also served as a security unit for police facilities during civil unrest. The LAPD SWAT units were organized as "D Platoon" in the Metro division.
A report issued by the Los Angeles Police Department, following a shootout with the Symbionese Liberation Army in 1974, offers one of the few firsthand accounts by the department regarding SWAT history, operations, and organization.
On page 100 of the report, the Department cites four trends which prompted the development of SWAT. These included riots such as the Watts Riots, which in the 1960s forced police departments into tactical situations for which they were ill-prepared, the emergence of snipers as a challenge to civil order, the appearance of the political assassin, and the threat of urban guerrilla warfare by militant groups. "The unpredictability of the sniper and his anticipation of normal police response increase the chances of death or injury to officers. To commit conventionally trained officers to a confrontation with a guerrilla-trained militant group would likely result in a high number of casualties among the officers and the escape of the guerrillas." To deal with these under conditions of urban violence, the LAPD formed SWAT, notes the report.
The report states on page 109, "The purpose of SWAT is to provide protection, support, security, firepower, and rescue to police operations in high personal risk situations where specialized tactics are necessary to minimize casualties."
On the afternoon of May 17, 1974, elements of a group which called itself the Symbionese Liberation Army (SLA), a group of heavily-armed Left-Wing Activists, barricaded themselves in a residence on East 54th Street at Compton Avenue in Los Angeles. Coverage of the siege was broadcast to millions via television and radio and featured in the world press for days after. Negotiations were opened with the barricaded suspects on numerous occasions, both prior to and after the introduction of tear gas. Police units did not fire until the SLA had fired several volleys of semi-automatic and fully automatic gunfire at them. In spite of the 3,772 rounds fired by the SLA, no uninvolved citizens or police officers sustained injury from gunfire.
During the gun battle, a fire erupted inside the residence. The cause of the fire is officially unknown, although police sources speculated that an errant round ignited one of the suspects' Molotov cocktails. Others suspect that the repeated use of tear gas grenades, which function by burning chemicals at high temperatures, started the structure fire. All six of the suspects suffered multiple gunshot wounds and perished in the ensuing blaze.
By the time of the SLA shoot-out, SWAT teams had reorganized into six 10-man teams, each team consisting of two five-man units, called elements. An element consisted of an element leader, two assaulters, a scout, and a rear-guard. The normal complement of weapons was a sniper rifle (apparently a .243-caliber bolt-action, judging from the ordnance expended by officers at the shootout), two .223-caliber semi-automatic rifles, and two shotguns. SWAT officers also carried their service revolvers in shoulder holsters. The normal gear issued them included a first aid kit, gloves, and a gas mask. In fact it was a change just to have police armed with semi-automatic rifles, at a time when officers were usually issued six-shot revolvers and shotguns. The encounter with the heavily-armed Symbionese Liberation Army, however, sparked a trend towards SWAT teams being issued body armor and fully automatic weapons of various types.
The Columbine High School massacre on April 20, 1999 was another seminal event in SWAT tactics and police response. As noted in an article in the Christian Science Monitor, “Instead of being taught to wait for the SWAT team to arrive, street officers are receiving the training and weaponry to take immediate action during incidents that clearly involve suspects' use of deadly force.”
The article further reported that street officers were increasingly being armed with rifles, and issued heavy body armor and ballistic helmets, items traditionally associated with SWAT units. The idea is to train and equip street officers to make a rapid response to so-called active-shooter situations. In these situations, it was no longer acceptable to simply set up a perimeter and wait for SWAT.
As an example, in the policy and procedure manual of the Minneapolis, Minnesota, Police Department, it is stated, "MPD personnel shall remain cognizant of the fact that in many active shooter incidents, innocent lives are lost within the first few minutes of the incident. In some situations, this dictates the need to rapidly assess the situation and act quickly in order to save lives."
With this shift in police response, SWAT units remain in demand for their traditional roles as hostage rescue, counter-terrorist operations, and serving high-risk warrants.
By illustration, the LAPD’s website shows that in 2003, their SWAT units were activated 255 times, for 133 SWAT calls and 122 times to serve high-risk warrants.
The New York Police Department’s Emergency Service Unit New York Police Department Statistics. . is one of the few civilian police special-response units that operate autonomously 24 hours a day. However, this unit also provides a wide range of services, including search and rescue functions, and vehicle extraction, normally handled by fire departments or other agencies.
The need to summon widely-dispersed personnel, then equip and brief them, makes for a long lag between the initial emergency and actual SWAT deployment on the ground. The problems of delayed police response at the 1999 Columbine High School massacre has led to changes in police response, mainly rapid deployment of line officers to deal with an active shooter, rather than setting up a perimeter and waiting for SWAT to arrive.
SWAT officers are selected from volunteers within their law enforcement organization. Depending on the department's policy, officers generally have to serve a minimum tenure within the department before being able to apply for a specialist section such as SWAT. This tenure requirement is based on the fact that SWAT officers are still law enforcement officers and must have a thorough knowledge of department policies and procedures.
SWAT applicants undergo rigorous selection and training, similar to the training some special operations units in the military receive. Applicants must pass stringent physical agility, written, oral, and psychological testing to ensure they are not only fit enough but also psychologically suited for tactical operations.
In addition, applicants must successfully pass a stringent background investigation and job performance review. Emphasis is placed on physical fitness so an officer will be able to withstand the rigors of tactical operations. After an officer has been selected, the potential member must undertake and pass numerous specialist courses that will make him or her a fully qualified SWAT operator. Officers are trained in marksmanship for the development of accurate shooting skills. Other training that could be given to potential members includes training in explosives, sniper-training, defensive tactics, first-aid, negotiation, handling K9 units, abseiling (rappelling) and roping techniques and the use of specialized weapons and equipment. They may also be trained specifically in the handling and use of special ammunition such as bean bags, flash bang grenades, tasers, and the use of crowd control methods, and special less-than-lethal munitions. Of primary importance is close-quarters defensive tactics training, as this will be the primary mission upon becoming a full-fledged SWAT officer.
Semi-automatic handguns are the most popular sidearms. Examples may include, but are not limited to: M1911 pistol series, Sig Sauer series (especially the Sig P226 and Sig P229) Beretta 92 series, Glock pistols, and H&K USP series.
Popular submachine guns used by SWAT teams include the 9 mm Heckler & Koch MP5 and 10 mm MP5/10 (used by the Federal Bureau of Investigation's Hostage Rescue Team and the United States Capitol Police), with or without suppressors. The H&K UMP has begun to replace the MP5 due to its lower cost and larger caliber, though albeit at the cost of a somewhat shorter effective range and more recoil.
Common rifles include carbines such as the Colt, CAR-15, M4, H&K G36C and the Heckler & Koch or the 416. While affording teams increased penetration at the cost of accuracy, for dealing with well-protected criminals, the compact size of these weapons is essential as SWAT units frequently operate in CQB environments. The Colt M16A2 can be found used by marksmen or SWAT officers when a longer ranged weapon is needed. The Heckler & Koch G3 series is also common among marksmen or snipers, as well as the M14 rifle and the Remington 700P. Many different variants of bolt action rifles are used by SWAT, with a few occasions of the usage of a .50 caliber sniper rifle.
To breach doors quickly, battering rams, shotguns, or explosive charges can be used to break the lock or hinges, or even demolish the door frame itself. SWAT teams also use many less-lethal munitions and weapons. These include tasers, pepper spray canisters, shotguns loaded with bean bag rounds, and Pepper ball guns. Pepper ball guns are essentially paint ball markers loaded with balls containing Oleoresin Capsicum ("pepper spray").
Units such as the Ohio State Highway Patrol's Special Response Team (SRT) used a vehicle called a B.E.A.R, made by Lenco Engineering which is a very large armored vehicle with a ladder on top to make entry into the second and third floors of buildings. Numerous other Agencies such as the LAPD, LASD and NYPD use both the B.E.A.R and the smaller "Bearcat" variant.
The Tulsa Police Department's SOT (Special Operations Team) uses an Alvis Saracen, a British-built armoured personnel carrier. The Saracen was modified to accommodate the needs of the SOT. A Night Sun was mounted on top and a ram was mounted to the front. The Saracen has been used from warrant service to emergency response. It has enabled team members to move from one point to another safely.
The SWAT Series of computer games by Sierra Entertainment and developed by Vivendi Universal and Irrational Games started off as an interactive movie followup of the Police Quest series which was narrated by retired Chief Daryl Gates, and was continued as a real-time strategy game and two first person shooters in the vein of Rainbow Six. All but one featured endorsements by the LAPD.
In 2005, a television show debuted on A&E entitled Dallas SWAT, documenting the personal and professional lives of SWAT officers of the Dallas, Texas Police Department. The television show is now being shown on Court TV and in 2006 A&E is debuting both Kansas City and Detroit SWAT.
Up to and including the 1980s, movies that featured SWAT units (such as Die Hard and Die Hard 2) portrayed them as carrying M16 Rifles and wearing black armour and clothing but not wearing protective helmets, goggles, or visors. By the 1990s, SWAT officers were typically depicted in full protection with helmets and goggles/visors, balaclavas, and carrying MP5 submachine guns, with the occasional member carrying a rifle/carbine or shotgun (such as in Face/Off). Since the 2000s, movies less regularly show SWAT wearing balaclavas (such as Swordfish and S.W.A.T.), as it would have made them completely anonymous.
SWAT units are frequently portrayed as inappropriately deployed, notably in Die Hard and Die Hard 2 where they are sent into traps or ambushes set by terrorists. The SWAT officers themselves are not inept, but their superiors are often aggressive or overconfident, notably in John Q when the police chief orders a unit to infiltrate while negotiations are underway.
Though initially confined to metropolitan cities, today virtually every city with a police force in excess of a handful of officers has a paramilitary tactical unit. A variety of abbreviations and acronyms are used for these organizations, which operate at federal, state, and local levels. Most known examples are:
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