China detains manager at heart of U.S. pet food recall

"The manager of the Chinese company suspected of selling tainted wheat flour to the United States has been detained for nearly two weeks outside Beijing, CNN has learned.

Tian Feng is the manager of Binzhou Futian Biology Technology, which U.S. pet food distributors have identified as the company that sold them wheat flour -- mislabeled as wheat gluten or rice protein concentrate -- containing melamine and related products."

Pet Food Recall: China Has Been Spiking Cat & Dog Food All Along

"While Americans are panicked over the pet food recall - it has been revealed that China has been spiking dog and cat food all along. For years, producers of animal feed all over China have secretly supplemented their feed with the substance, called melamine, a cheap additive that looks like protein in tests, even though it does not provide any nutritional benefits, according to melamine scrap traders and agricultural workers here, reports the New York Times."