Just over a week after Thomas Donlon became Interim Police Commissioner of New York City, federal authorities executed a search warrant at his home on Friday, Donlon said in a statement Saturday night. “On Friday, September 20th, federal authorities executed search warrants at my residences,” Donlon said in a statement. “They took materials that came into my possession approximately 20 years ago and are unrelated to my work with the New York City Police Department.” Law enforcement officials say the search warrant is related to documents that the commissioner may have retained from his previous positions...