Federal investigators probing the deadly 2001 anthrax attacks recovered samples of human hair from a mailbox in Princeton, N.J., but the strands did not match the lead suspect in the case, according to sources briefed on the probe.
Federal investigators probing the deadly 2001 anthrax attacks recovered samples of human hair from a mailbox in Princeton, N.J., but the strands did not match the lead suspect in the case, according to sources briefed on the probe.