In the case of United States v. Grady (544 F.2d 598
(1976)), Grady and Jankowski were suspected of shipping guns to the Irish
Republican Army. The prosecution attempted to introduce Irish Police records
to show that the guns in question had been found in Ireland.
The prosecution argued that the records were admissible
under the FRE 803(8) exception to hearsay because they were
Grady argued that they didn't fall under that exception
because FRE 803(8)(B) specifically excludes "observations by
police officers and law enforcement personnel."
The Appellate Court found that the evidence was admissible
because the Irish records were not made in an attempt to prosecute Grady,
they were just routine records kept by the Irish police of weapons' serial
Basically, only records made specifically for
litigation/prosecution are inadmissible. Other police records made for
routine purposes are still admissible under FRE 803(8)(B).