How gangland hardman Derek ‘Bottler’ Devoy became an unlikely peacekeeper behind bars

Gangland hard man Derek ‘Bottler’ Devoy claimed that a breakdown followed the guilt he felt at the murder of his sister Antoinnette and led him to a lethal grapple with police while he was armed with a submachine gun and a grenade.But now, the volatile criminal has become a peacemaking king of his…