] The documents were among intelligence files that the city
] released as a result of an unrelated lawsuit in which the
] police are accused of violating the constitutional rights
] of protesters.
]
] The American Civil Liberties Union sued the city last
] March after learning that the Denver Police Department
] had compiled surveillance files on at least 3,200 people
] and 208 groups. The organization said the police didn't
] just target known or suspected criminals, but also
] singled out peaceful activists.
]
] The documents released Wednesday indicate that officers
] watched people ranging from anti-war protesters to
] members of militia groups and motorcycle gangs.

CNN.com - Police kept files on 'Trench Coat Mafia' group after Columbine - Feb. 20, 2003