BlackBerry's New Lawyer Is Getting Busy

A man tries a Research In Motion Ltd. (RIM) BlackBerry 10 smartphone prototype at the BlackBerry Jam Asia developer conference in Bangkok, Thailand. Photographer: Brent Lewin/Bloomberg

Steve Zipperstein prosecuted failed savings-and-loan associations in the 1980s and investigated the government's siege of the Branch Davidian compound in Waco, Texas, in the '90s. Now the battle-hardened lawyer has joined Canadian smartphone maker BlackBerry to fight its critics.

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