A news report shows McDonald's and Yum! Brands' meat supplier processing expired meat and food that fell on the factory floor.
Chinese consumers skeptical over food safety have another reason to be concerned. Fox-tainted donkey meat was sold at the country's Wal-Marts.
Under new ownership, Sanlu is attempting to rebrand with organic grains. The question is will Chinese consumers buy in?
When meat comes from far away, it can be hard to know its history -- or its contents.
Betrayal, mystery, controversy, and a host of characters as big as Europe -- it's no story; it's the ever-widening horse meat scandal.