Free Republic

<p>The FBI official in charge of the probe into the deadly 2001 anthrax mailings said the investigation still has top priority among the bureau's unsolved cases, but he acknowledged the anthrax sender may never be caught.</p> <p>"Despite our very, very, very best efforts, we still might not be able to bring it home," said Assistant Director Michael A. Mason, who heads the FBI's Washington field office, which is investigating the case.</p>

WASHINGTON - A new link is emerging between letters containing the poison ricin found in mail facilities that serve the White House and a South Carolina airport as federal investigators seek to identify the letter or parcel that may have carried ricin into a Senate mailroom. A senior law enforcement official, speaking Tuesday on condition of anonymity, said investigators had established strong links between the South Carolina and White House letters. What remained unclear, the official said, was whether those letters were connected to the substance found in the office of Senate Majority Leader Bill Frist, R-Tenn. The letter found...