Crime and criminals. Arson. Colorado Miguel Mendelson, botting firm executive on trial . for arson. Post ri 1.0, 1958 p. 16 Statewide grand jury will finally he allowed to quiz witnesses in investigation of construction fires. Post F 20, 1973 p.11 Officials reluctant to talk about 5 year search for arsonists in construction fires. Post Jy 22, 1973 p.33 Jury hears fires testimony. Post D 3, 1974 p.17 0