For the family of victims, current and former employees and congressmen alike who have listened to the debate over the cause of the deadly Legionnaires' disease outbreak at the Veterans Affairs Pittsburgh Healthcare System over the past 10 months, the most frustrating part has been the responses, or non-responses, from local and national VA officials.

Sometimes the VA has refused to answer questions; sometimes it has answered but deflected.

And sometimes, as the VA's undersecretary for health, Robert Petzel, did during a congressional hearing Monday before about 100 people at the Allegheny County Courthouse in Pittsburgh, the VA seems to ignore all the news reports, internal documents and federal investigations that have revealed at least some of what went wrong that led to the deaths of as many as six veterans and sickened another 15 in 2011 and 2012.

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