11.   Others under investigation include agents of the firearms bureau, the Internal Revenue Service, the Customs Service and the Secret Service.

12.   The new enforcement campaign, to be announced by President Clinton on Friday, will use information developed by the firearms bureau in tracing guns used in crimes.

13.   The rift mirrors disagreements that have often split the FBI and the firearms bureau in the last decade.

14.   The sheriff immediately contacted the firearms bureau, the authorities said.

15.   They did not even meet with Stephen E. Higgins, who was director of the firearms bureau, before the raid and he did not brief his superiors.