But now, President Biden is inviting local governments to use federal money to fund police departments and hire more officers. The Democratic mayor of Minneapolis wants to replenish his city’s police force. And a former policeman running on a law-and-order platform is leading as votes are counted in the Democratic primary for New York mayor.

Thirteen months after the police killing of George Floyd sparked an impassioned movement in the Democratic Party to rein in police departments, a surge in homicides has prompted a shift in the opposite direction. Democrats are scrambling to make new investments in policing and seeking to project toughness on crime, even as they continue pushing for police reforms and alternative means of deterring crime.