rial was insufficient to establish unavailability of witness so as to authorize admission of transcript of her UNITED STATES I PELTON 703 CIO as PS FM nil Oran grand jury testimony. Federal Rules of Evidence, rules 804, 804(aX1), 28 U.S.C.A.; U.S.C.A.Const. Amend. 5. 17. Criminal law .- 1144.13(