New York, NY —

A federal judge says NYPD intelligence documents must be turned over to the New York Civil Liberties Union. The documents cover the 18 months leading up to the 2004 Republican National Convention. Chris Dunn, spokesman for the NYCLU, says the Police Department's investigative tactics will be revealed.

DUNN: What we will now see is what information the NYPD collected when it infiltrated political groups before the convention.

REPORTER: Dunn says the protesters came to the RNC to peacefully exercise their political rights, not to threaten the city, as the Police Department contended. The department says releasing their investigative methods could put the city at risk.

The city says it's reviewing the ruling and considering its legal options.