Army Spec. Robert A. Glenn, 25, from Altadena, was shot and killed in his car outside a nightclub in Tucson on Nov. 3, following an altercation with another man inside the club. Glenn was attached to the 69th Signal Company, based in Ft. Huachuca, some 90 miles from Tucson.  News reports say police issued a warrant for 21-year-old Jurel Roberson in connection with the slaying.  Another soldier in the car was wounded, and a third was unhurt.