Jaquan Casanova, 24, of Dorchester, was indicted on federal charges last week that he pulled the trigger on a leader of a prostitution ring suspected of talking to the feds.
Another alleged ringleader. Raymond Jeffreys, 27, also of Dorchester, was already facing charges, and was also charged last week with the attempted murder of Darian Thomson as Thomson sat in a car at Draper and Westville streets in Dorchester around 10:10 p.m. on April 30, 2013.