You might have heard about Joe Lhota's new television ad. His opponent, Bill de Blasio, called it "desperate," and "divisive," adding, “I’m looking around at my colleagues, a lot of us went through the 1980s, the 1990s. We saw the way politics developed, sadly for the worst. This is just like the Willie Horton ad. It is divisive and negative." Watch it below, if you dare:

This is not a novel tactic.

2009:

“You know exactly what I’m talking about,” Mr. Giuliani said at a breakfast sponsored by the Jewish Community Council in Borough Park, Brooklyn. “This city could very easily be taken back in a very different direction—it could very easily be taken back to the way it was with the wrong political leadership.”

2001:

1993:

The ad's comment about de Blasio voting to "take 5,000 cops off the streets" refers to his yearly votes in the City Council to approve the city budget, which just about every council member votes for after lengthy negotiations with the Mayor and Speaker. And for the record, here's what de Blasio told The Post about the incident with the bikers, which we're pretty sure happened when Bloomberg was mayor:

Democrat Bill de Blasio, meanwhile, has urged that cops visit motorcycle clubs and talk to bikers. “We have to be very tough on this one—this is an unacceptable state of affairs,” de Blasio said.

Finally, here are the "Revolving Door" and the Willie Horton GOP ads, both taken from a film about George H.W. Bush's campaign manager in 1988.