Ben Berkowitz is taking on the San Francisco Police Department.

The Keker, Van Nest & Peters partner has picked up journalist Bryan Carmody’s case against the city’s police force pro bono. In February, the freelance journalist sold information to three local news stations on the circumstances surrounding the death of public defender Jeff Adachi, who collapsed in the home of a woman who was not his wife. The materials sold to the media organizations included a leaked police report. After refusing to name his source, the SFPD showed up at Carmody’s apartment May 10 armed with a search warrant, sledgehammers and a battering ram. Carmody sat cuffed in his underwear for about six hours as the police department raided his apartment.