last of 27 alleged gang members indicted in April was arrested Tuesday afternoon by the U.S. Marshals Service. Darius Smith was taken into custody around 3 p.m. after authorities found him on James Street, officials of the service said. The indictment, handed up April 3, alleges that Smith, 29, conspired to sell more than 280 grams of cocaine and heroin. He was to appear Wednesday in U.S. District Court. Smith was allegedly a member of the Uptown, or Gunners, gang. In an April news conference, U.S. Attorney Richard Hartunian said the gang used guns to terrorize the neighborhood and its members marked buildings in the Central State Street neighborhood with graffiti to mark their territory. The investigation led to the arrests of 27 alleged gang members listed on the indictment; 23 were arrested