The letter writer claimed he was terminated after he reported excessive force by a fellow officer.
CNN: California police look for ex-cop suspected in shootings
That is described by world governing body Fifa as using "excessive force or brutality against an opponent".
Blackwater, you may recall, is the private military company recently banned from Iraq for its use of excessive force.
Braun said he had never heard of a case in which the LAPD fired an officer who reported excessive force.
In 1994 Congress instructed the Justice Department to compile statistics and produce an annual report on the use of excessive force.
The man said he believed the officers had, indeed, employed excessive force.
If follows Pauline McCabe's call for an investigation into claims of excessive force by some members of specialist search teams at Maghaberry prison.
In his manifesto, Dorner said he was relieved of his duties after he reported excessive force by a fellow officer in July 2007.
The jury, which had no black members, deadlocked on one charge of excessive force against Powell, and a mistrial was declared on that charge.
Police defended the raid at a news conference early Tuesday after reports surfaced that they had gone to the wrong house and used excessive force.
Serious foul play is classed as when a player "uses excessive force or brutality against an opponent when challenging for the ball when it is play".
Ms Heaton said Miss Gabbidon did not use excessive force to restrain the two defendants, but she was suspended and a month later the school was closed down.
BBC: Black teacher assaulted and 'racially abused', court told
But two years later, the officer's meteoric career took a dive, when he was accused of using excessive force, shooting a motorcyclist in the leg, CNN affiliate KYW reported.
CNN: Hero cop, who sat next to the first lady, charged with rape
"I participated in the race in good faith as it was to promote abilities across sport and I was totally unaware of any alleged excessive force being used on the horse, " said the 26-year-old.
"I'm not saying it's a clear case of excessive force, but it is a very strong case for excessive use of force, " lawyer Luis Parra was quoted as saying by the Associated Press news agency.
BBC: Mexico boy shot in back by US patrol, post-mortem shows
She wants the federal government to make the billions it gives each year to local police forces conditional on their reporting of complaints of brutality and the introduction of monitoring systems to identify police officers given to using excessive force.
The Express Tribune newspaper said in an editorial that it was reasonable for Western diplomats to travel armed, but noted that in America shooting in self-defense can result in a conviction, especially if it can be proved that the accused used excessive force.
Sacking his feared interior minister, he promised a huge jobs programme, and inquiries into corruption and excessive police force.
Thibodeau, for example, is one of nine people who emerged from the compound alive on April 19 and is an unnamed litigant in a class action, an excessive-force lawsuit in Texas by survivors and victims' families.
Secretary General Ban Ki-moon has roundly condemned both sides: Hamas for the rocket fire and Israel for its "excessive use of force" in retaliating.
Federal prosecutors are considering taking on the case as a possible civil-rights violation, and the family have a civil claim against the government for excessive use of force by law-enforcement officials.
He himself was appointed in January to deal with growing public anger about excessive behaviour by the force.
Mexico has complained that the use of lethal force was excessive.
BBC: Mexico boy shot in back by US patrol, post-mortem shows
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