In this July 29, 2015 file photo, U.S. Attorney William Hochul speaks about the arrest of Arafat Nagi during a news conference in Buffalo, N.Y. (AP Photo/Carolyn Thompson, File)

In this July 29, 2015 file photo, U.S. Attorney William Hochul speaks about the arrest of Arafat Nagi during a news conference in Buffalo, N.Y. (AP Photo/Carolyn Thompson, File)