Swanson William Frederick Anthony Charles Mulligan and William Frederick Swanson, both labor leaders, indicted on arson and conspiracy charges in connection with 2 of the 40 mysterious condominium and apartment fires over past six years. Post D 13, 1974 p.1,2 RMN D 14, 1974 p.5,28 Edward Urioste, Albuquerque, New Mexico labor leader charged with conspiracy to commit arson in connection with the investigation into the condominium and apartment house fires. Post Ap 9, 1975 p.1,3 RMN Ap 10, 1975 p.5,12