His team claimed to have found "suspicious inconsistencies" among them.
Veterinary officials are also checking a suspicious illness among farm animals in Aberdeenshire, Scotland.
Airport directors say more people are reporting suspicious behavior among other passengers.
Authorities say they have found syringes and other suspicious equipment among Astana's medical waste during the 2009 Tour.
Several dozen boats from the Coast Guard, Federal Bureau of Investigation and Washington Metro Police patrolled the Potomac shoreline, looking for suspicious craft among the driftwood and scudding ducks.
The restaurant displayed that permit, but Arthur W. Strickler, district manager of Community Board 2, was suspicious because, among other things, the permit bore the name of Jules Polonetsky as consumer affairs commissioner.
There followed, however, a series of suspicious occurrences, among them a probate judge's discovery last summer that Mr. Spillman's name was listed on papers in a case that could not be tracked through the probate system.
Mr. Gregorie said the investigation began in September 2005 when a man of Yemeni descent called an F.B.I. agent to report suspicious activity among a group of men in Liberty City.
A spokesman for the Hong Kong Agriculture, Fisheries and Conservation Department said there were no signs of suspicious deaths among Hong Kong's pigs, and referred questions about pigs in Guangdong to the food department.
