Back in 2009, a New York Times reporter filed a request under the Freedom of Information Act asking the U.S.D.A. to hand over all the complaints about foreign objects in hot dogs they had received between 2007 and 2009—and one, apparently, contained a Band-Aid. Some other alarming ingredients: glass shards, metal fragments, maggots, a rat leg, a piece of an eyeball, a razor, and bone fragments.