Surprisingly, such doubts also extend to ballistics a technique that claims to be able to identify a gun from marks left on bullets fired from it.
Fourteen arrests were made and a security guard at the US Consulate in Rio was injured when protestors launched a molotov cocktail at the property before being dispersed by a round of rubber bullets fired by the military police.
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But after 15 months, with one worker shot to death, 91 others sent to the hospital, three of Blankenship's armored cars trashed and those 11 bullets fired into his office, the union caved in, agreeing to less featherbedding and less job security.
The doctor said he was unable to say the order in which the bullets were fired.
The PSNI said five plastic bullets were fired and water cannon were deployed due to the "level of violence" that officers were subjected to.
Officers are then seen getting out to apprehend the suspects after which the recording picked up the dull thuds of the bullets being fired by one of the officers.
He said bullets were fired "directly" at peaceful protesters.
While we safely sipped spirits, the celebrations raged on as many have seen on the news, a taxi was torched and rubber bullets were fired (all just around the corner from my hotel).
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Fans ignored the danger of car bombs (which had killed 50 after the Iraqi victory in the semi-finals) as well as the risk of falling bullets (fired into the air to celebrate despite a ban) and poured onto the streets.
They have fired bullets at the dome.
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They fired plastic bullets - this their attempt to force the people to move to another location.
"One of the biggest bullets they had they fired at us already, " Boyd says.
The man fired several bullets, hitting three officers, one in his helmet, another in his bullet-poof vest.
Police said they deployed water cannon and fired plastic bullets and that a number of arrests were made.
Police fired tear gas and fired rubber bullets as thousands of activists marched on the prime minister's residence.
The police department has said Mr. Gray pointed a .38 caliber revolver at them before the two officers fired 11 bullets.
In total, he fired 154 bullets from the rifle during the attack before shooting and killing himself with a Glock 10 handgun.
During those years, most are discharged without even having fired 30 bullets.
Police fired rubber bullets and tear gas to disperse protesters who threw stones and vandalised buildings, the BBC's Anbarasan Ethirajan reports from Dhaka.
Security guards fired rubber bullets at the mob, injuring nine miners.
Police said they fired plastic bullets three times during Saturday's violence.
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It leaked telling details, such as the fact that Mr Davis had fired 12 bullets at his assailants, including three into the back of one victim.
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At Sanarpar, outside Dhaka, police fired rubber bullets and tear gas at strikers who set light to a lorry, police chief Abdul Matin told AFP news agency.
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After the police fired rubber bullets and tear gas at the rioting fans, Malawi FA president John Zingale went onto the pitch and demanded that they desist from using force.
On September 3rd four miners were wounded by rubber bullets when security guards fired on a hostile crowd at the gates of a gold mine near Johannesburg, the commercial capital.
The meeting came a day after the Police Service of Northern Ireland said its officers deployed water cannons and fired plastic bullets Saturday night at a crowd of more than 100 demonstrators who were hurling fireworks and bricks at them.
Police fired five plastic bullets as rioters threw over 30 petrol bombs.
Margie Carranza and her mother Emma Hernandez were delivering newspapers early on 7 February when officers fired about 100 bullets into their car.
His wife, Vanessa, and 4-year-old son were in the home at the time but were fortunately unharmed when police fired dozens of bullets into the home.
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