] The Iranian correspondent responsible for the report told
] Reuters the radio had also reported bin Laden's capture
] a year ago. But said a new source had told him on Friday
] the al Qaeda leader had been seized "a long time ago."
]
] "It could be one month ago, it could be one year, but he
] has been arrested," he said.

When they arrest BL, they won't tell everyone that they've arrested BL, because BL knows things that they want to know, and they don't want BL's associates to react to the idea that they have the information that BL has. They could delay making an announcement for quite some time if they feel like they can collect useful intelligence. So rest assured, when you hear that BL has been captured, it happened a long time ago. It might have happened already. There is really no way to know unless the guy puts out a recent video...

US denies Iranian report of Bin Lauden capture