The building that houses the U.S. Attorney’s Office for the Southern District of New York is pictured in 2015. Emails and text messages from prosecutors in that office have come out as part of an inquiry into their handling of a case.

The building that houses the U.S. Attorney’s Office for the Southern District of New York at One St. Andrew’s Plaza is seen in this Wednesday, March 18, 2015, photo in New York. (AP Photo/Mary Altaffer)