The two people accused of killing a dozen people in and around Washington, D.C. may have killed a Tucson man in March, Tucson Police Chief Richard Miranda said this morning. Tucson police received information from the Montgomery County Task Force last Friday from the FBI that John Allen Muhammad and John Lee Malvo were in Tucson in mid-march 2002, visiting Muhammad's sister at her Southeast Side home, Miranda said. The Task Force asked Tucson police to re-investigate an unsolved homicide that occurred while the pair were here, the death of Jerry R. Taylor, 60, Miranda said. Taylor was shot...