The alleged gunmen accused of killing a Chicago contractor outside his office near the United Center showed up ready to “essentially assassinate” the 67-year-old, but were arrested within seconds of the shooting after Chicago police officers saw the horrifying scene unfold, prosecutors said in court Friday.
Nassie Mason and Erving Harris are both facing murders charges in connection with the killing of business owner Jerry Lewis.
Lewis was shot in the head by two gunmen just before 1 p.m. Tuesday while walking on the street outside a condo building in the 2100 block of West Madison Street on the Near West Side…