United States of America, Cross-Appellant v. Bobby Joe Chapman, Richard Melvin, Edward A. Coker, and Clark L. Darnell, Cross-Appellees

CLARK, Circuit Judge:

Bobby Joe Chapman and others 1 were indicted on January 18, 1973, in the Northern District of Texas for conducting, managing, supervising, directing and owning an illegal gambling business in violation of 18 U.S.C.A. § 1955 (Supp.1977). Information concerning the gambling operations was in part acquired through court-ordered wiretaps, which in turn led to a search warrant that uncovered other evidence. The wiretap order was procured through information provided by unnamed informants. Pri- or to trial, Chapman and the other defendants moved for disclosure of the names of…