Maziar Bahari is a prominent journalist and documentarian. He holds both Canadian and Iranian citizenship and has written for Newsweek since 1998. He was detained in Tehran on June 21, Newsweek said, as part of a crackdown after the re-election of President Mahmoud Admadinejad. Mr. Bahari was picked up at his mother's home in Tehran by government security officials who seized videotapes and a laptop computer.