Pakistani linked to anthrax mailbox MICHAEL BEACH in New York 21oct01 AMERICAN investigators are hunting a Pakistani man, who overstayed his visa, so they can question him about two anthrax-laced letters. The manhunt started after investigators homed in on a mailbox believed to have been used by bioterrorists to send the two letters. Investigators made the breakthrough after a mail carrier in Ewing, New Jersey, came down with the disease. Two anthrax-infected letters – one sent to NBC News anchor Tom Brokaw, the other to Senate Majority Leader Tom Daschle – were postmarked at a regional mail centre that serves ...