“Clearly, he’s made a lot of changes the way candidates do during the primary process, but he kept moving left and fell off the deep end,” said Bill Johnson, executive director of the National Association of Police Organizations, the umbrella organization for Police Benevolent Association chapters.

“For Joe Biden, police are shaking their heads because he used to be a stand-up guy who backed law enforcement,” Johnson said. “But it seems in his old age, for whatever reason, he’s writing a sad final chapter when it comes to supporting law enforcement.”…

More than eight months before Obama’s re-election, the Black Lives Matter movement began in response to the shooting death of a black Florida teenager, Trayvon Martin, by a self-appointed neighborhood watchman. Black Lives Matter made police brutality, systemic racism and the 1994 crime bill top issues for progressives in the 2016 and 2020 Democratic presidential primaries.

While under fire from the left, police increasingly became more Republican, said Jim Pasco, executive director of the Fraternal Order of Police and former in-house lobbyist for the Bureau of Alcohol, Tobacco, Firearms and Explosives who worked closely with Biden on the crime bill and other legislation.