Cerberus in talks with BlackBerry co-founders on potential joint bid BlackBerry Ltd. founders Mike Lazaridis and Doug Fregin are in talks with buyout firm Cerberus Capital Management LP to join forces to bid for the company, according to a source familiar with the matter. With just four days to go until a due diligence period is set to expire on Fairfax Financial Holding's conditional $9 (U.S.) -per-share offer for BlackBerry, sources say the founders and Cerberus are working together on a bid that, if successful, would keep the Waterloo, Ont. company whole rather than break it up and sell it off in parts. The Wall Street Journal first broke news of the potential partnership Friday afternoon. "They're looking at it from a turnaround perspective rather than a breakup," the source told the Globe and Mail. More to come