I'm surpised at how little mention of China's part in this has gotten in the news. We certainly wouldn't want to screw up a good deal even if it kills us.
Wheat gluten is used in people food too.
Rats would surely be resident in facilities that process this from the grain......seems like rat poison (probably strychnine) would also be present, since they easily learn to avoid traps.
Wheat gluten is mostly an asian product, it appears:
Could you fill me in on the China connection with wheat gluten?