How many movies have Chris Palermo and David Ayer collaborated on?

They have worked on 4 movies together! Their first movie together was S.W.A.T. (2003) while their highest rated movie together was Birds of Prey (and the Fantabulous Emancipation of One Harley Quinn) (2020). They have not worked together since Birds of Prey (and the Fantabulous Emancipation of One Harley Quinn) (2020). They are most known for their action films together.