GREENVILLE, South Carolina, May 29 -- The office of the U.S. Attorney for the District of South Carolina issued the following news release: Marlon Michael Bruff, of Fairburn, Georgia, Ramaro Alsworth Higgins, of Los Angeles, California, and Reuben Dunn, of Anderson, South Carolina, were sentenced to federal prison for helping to run a gun trafficking operation, which bought guns in multiple southern states and smuggled them into Canada. Bruff and Higgins were also convicted of conspiracy to dis  more