Former drug dealers , families of victims , forensic dentist take the stand two decades . Bulger is charged in the deaths of 46 people over Friday . Former drug dealer says his brother was shot when he refused to pay `` rent '' to Bulger . Wife of slain man says after testimony : James `` Whitey '' Bulger `` is a coward ''
Former drug dealers , families of victims , forensic dentist take the stand Friday . James `` Whitey '' Bulger is charged in the deaths of 19 people over two decades . Former drug dealer says his brother was shot when he refused to pay `` rent '' to Bulger . Wife of slain man says after testimony : Bulger `` is a coward ''