The indictment lays the groundwork for a possible capital case in the killing of Cpl. James O’Connor IV. Prosecutors say they’ve not yet decided whether to pursue a death sentence.U.S. Attorney William M. McSwain announced federal charges Thursday against four men already incarcerated for the March shooting death of Philadelphia Police Cpl. James O’Connor IV, including counts that could leave one of them open to a federal death sentence.And in a striking recrimination from a federal prosecutor, McSwain accused his frequent foil, Philadelphia District Attorney Larry Krasner, of implementing...…The indictment lays the groundwork for a possible capital case in the killing of Cpl. James O’Connor IV. Prosecutors say they’ve not yet decided whether to pursue a death sentence.U.S. Attorney William M. McSwain announced federal charges Thursday against four men already incarcerated for the March shooting death of Philadelphia Police Cpl. James O’Connor IV, including counts that could leave one of them open to a federal death sentence.And in a striking recrimination from a federal prosecutor, McSwain accused his frequent foil, Philadelphia District Attorney Larry Krasner, of implementing...WW…