Trail to Chinese Food Producers Turns Cold

American inspectors who arrived in China last week to investigate the two companies that exported tainted pet food ingredients found that the suspect facilities had been hastily closed down and cleaned up, federal officials said yesterday.

"There is nothing to be found. They are essentially shut down and not operating," said Walter Batts, deputy director of the Food and Drug Administration's office of international programs.

The Washington Post article by Rick Weiss is here.