The feds seized the devices — which included at least two cellphones and an iPad — in connection to an investigation into whether Hizzoner’s campaign colluded with the Turkish government and others to direct money into his mayoral effort, sources told The Post after the news was first reported by the New York Times. Adams campaign attorney Boyd Johnson said an internal City Hall review discovered that “an individual had recently acted improperly” and it was immediately reported to the FBI, which triggered the seizure. “After learning of the federal investigation, it was discovered that an individual had recently acted...