Milwaukee County Sheriff David Clarke Jr. brought the crowd at the Republican National Convention to its feet Monday night, declaring "Blue Lives Matter" to wild applause. 

“We simply cannot be great if we do not feel safe in our homes, on our streets and in our communities,” Clarke said during his convention speech.

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Donald TrumpDonald TrumpCapitol fencing starts coming down after 'Justice for J6' rally Netanyahu suggests Biden fell asleep in meeting with Israeli PM Aides try to keep Biden away from unscripted events or long interviews, book claims MORE understands that what can make our nation safe again is a recommitment to a system of justice in which no government official — not even those who have fought their way to the marble and granite halls of Washington — no private citizen, not even Hillary ClintonHillary Diane Rodham ClintonClinton lawyer's indictment reveals 'bag of tricks' Attorney charged in Durham investigation pleads not guilty Attorney indicted on charge of lying to FBI as part of Durham investigation MORE ... can claim privilege above the law.” 

Clarke’s speech received the biggest applause of the night up to that point.

“I see this every day at street level, where many Americans increasingly have an uneasiness about the ability of their families to live safely in these troubling times. This transcends race, religion, ethnicity, gender, age and lifestyle.”

Clarke wrote an op-ed in The Hill earlier Monday, arguing that Black Lives Matter is the enemy.

“We as a people need to declare that we stand with rule of law, and not with the false tales of the revolutionary Marxist forces, who most recently have rebranded themselves from Occupy Wall Street to Black Lives Matter,” wrote Clarke.