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National Rifle Association CEO Wayne LaPierre reacted to Hollywood's and the left's "hypocrisy" on gun control in the wake of the Las Vegas massacre.

"The hypocrisy is beyond belief," LaPierre said, adding that Hollywood "makes billions" off depicting gun violence and bloodshed in film and on television.

He said that he and his staff are in "shock" and are "mourning this unimaginable tragedy" in Las Vegas.

"We've just been praying like everyone else in the county," he said.

But, LaPierre warned that the gun control measures pushed by Hollywood and the left would not have prevented the Las Vegas attack, the Boston Bombing or other mass casualty events.

"These monsters that were [killing people] in Chicago - they don't care about the law," he said.

Earlier Thursday, the NRA called for a federal review of rifle "bump stocks" in the wake of the Las Vegas massacre.

The device was apparently used by shooter Stephen Paddock to alter semi-auto weapons to fire in an automatic fashion.

“The NRA believes that devices designed to allow semi-automatic rifles to function like fully-automatic rifles should be subject to additional regulations,” the NRA said in its written statement.

"In the aftermath of the evil and senseless attack in Las Vegas, the American people are looking for answers as to how future tragedies can be prevented. Unfortunately, the first response from some politicians has been to call for more gun control. Banning guns from law-abiding Americans based on the criminal act of a madman will do nothing to prevent future attacks," it read.

"This is a fact that has been proven time and again in countries across the world. In Las Vegas, reports indicate that certain devices were used to modify the firearms involved. Despite the fact that the Obama administration approved the sale of bump fire stocks on at least two occasions, the National Rifle Association is calling on the Bureau of Alcohol, Tobacco, Firearms and Explosives to immediately review whether these devices comply with federal law."

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