Fires. Colorado U.S. Supreme Court. has cleared way for grand jury to resume i.ts investigation into a b year series of'apartment and condominium fires, Post F 11., 1974 p,1 ,2 New state grand jury to probe condominium fires. Post Je 11, 1974 p.10 $40,009 reward offered for secret witness in series of condominium fires in state. Post Jy 28, 1974 p.1,2 Jury hears fires testimony. Post I) 3, 1974 p.17