According to the New York Times on 4-11-14
“Mary T. Barra, the automaker’s chief executive, said two engineers had been placed on paid leave after she was briefed on the results of an internal investigation conducted by Anton R. Valukas, a former United States attorney.
G.M. did not name the engineers, but a government investigator briefed on the matter said they were Raymond DeGiorgio, the chief ignition engineer for small cars like the Cobalt, and Gary Altman, an engineering manager on the small-car program.
“This is an interim step as we seek the truth about what happened,” Ms. Barra said in a statement. “It was a difficult decision, but I believe it is best for G.M.”
…On Thursday, G.M. said it would cost $1.3 billion in the first quarter to pay for all of its recalls — a significant increase over the $750 million it had previously estimated. G.M. has recalled about seven million vehicles so far this year, including 2.6 million Chevrolet Cobalts and other compact cars with the faulty ignition switches…
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