COLUMBIA, S.C.—A South Carolina prisoner serving a life sentence for murder orchestrated killing a man he thought robbed a drug runner for a methamphetamine ring the inmate was running from behind bars, federal prosecutors said.
Daniel Allen Shannon was sentenced to life in federal prison earlier this month for the killing, but the only way he will end up in federal custody is if he is released from his life-without-parole sentence in state court from a 2001 murder.
Shannon ran his drug ring from prison using contraband cellphones. The director of South Carolina’s prisons has spent more than nine years trying to convince the federal government to allow states to jam cellphone signals inside prison walls….