[Hatteras]

You should tell your friend to step back and take a deep breath. Inundating a police department with e-mail will be looked upon as extremely childish behavior and will do more damage to his cause than good.

He will be more effective with good legal representation. (Unfortunately)

[eno_]

Sorry but the BEST response will be to publish the names and pictures of the cops involved so that their careers take a low trajectory. The next cop that thinks about doing the same will, appropriately, think twice. The Internet remembers forever.

[freeeee]

Inundating a police department with e-mail will be looked upon as extremely childish behavior and will do more damage to his cause than good.

Translation: The peasants must not be insolent to their masters.

[Oberon]

Inundating a police department with e-mail will be looked upon as extremely childish behavior and will do more damage to his cause than good.

Oh, I don't know. Police departments live in abject fear of bad publicity. Another option might be to alert the local media. Is there a TV station nearby that would cover the fracas?