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. c oonona tom Ho. 10 fi ) . UNITED STATES GOVER...AENT ‘ Memorandum To : Mr. Rosen, pate: September 19, 1963 (Ge Pron = — ee F Gandy sugject: UNKNOWN SUBJECTS Tie ed ( BOMBING OF THEGIXTEENTH . STREET BAPTIST CHURCH BIRMINGHAM, ALABAMA SEPTEMBER 15, 1963 BOMBING MATTERS 6 Pe BA ergs cate of the Laboratory Division brought from Birmingham last night the following material obtained at the scene of the bombing which material is to be spectrographically examined for the presence of possible explosive residues, Pieces of heavy gauge wire covering windows of the church; Pieces of window frames from the ladies' lounge; Fragments of drapery material found in the ladies' lounge; Fragments of metal frame covering windows in ladies' lounge; Scrapings from window sill of double window in ladies' lounge; Piece of red plastic insulated wire found on floor of ladies' lounge; Piece of red plastic insulated wire taken from bell signal system used in church; Fragments of concrete or granite which were found on or in two automobiles damaged in the explosion, 5 . “uy "8 “P lo} -fopggr 264 The Birmingham Office has advised that the search of the church and surrounding area and the examination of the two automobiles damaged in the explosion are completed with no physical evidence being found to assist in the identification of the explosive substance used, the manner in which detonated, or the container in which it was possibly placed, It is not possible from the search conducted at the scene to determine the quantity of explosive used in the bombing but the extent of damage is consistent with that which would be caused by a high-order explosive charge such as ten or more sticks of dynamite or its equivalent. wos REC 14 - fo. i A Birmingham advised that the fact that no evidence was found that | could be associated with a bomb utilizing a time delayed device such as an ¢ NQapwne . oo Sy electric Hasting cap, wire, battery or clock fragments, suggests-that the bomb may have been the type detonated by a safety fuse and blasting cap, both of which were possibly consumed by the detonation of the explosive eee i WA JCT:ers \ wa — (8) yo eq noty 1085, .