The answer:  Taco Bell.  Barry Estabrook profiled Bill Marler’s hunt for “Mexican Restaurant Chain A” today in The Atlantic.  The story is well-known.  A ten state Salmonella outbreak that sickened 68 people, a solid epidemiological investigation that nailed the at-fault restaurant, and no disclosure of that restaurant’s identity by the CDC.  Barry’s summary is even better:

A restaurant poisons its customers. A government agency colludes to keep its identity under wraps. And it takes a scrappy trial attorney to uncover the truth for Americans. Talk about a sickening situation.

Read “Restaurant A: How Bill Marler Tied Taco Bell to Salmonella Outbreaks.”