[I]n 70 known cases of prosecutorial mistakes and misbehavior in Queens over about a decade, the district attorney, Richard A. Brown, has disciplined just one lawyer.
In Brooklyn, the district attorney, Charles J. Hynes, promoted and gave an award to Mr. Vecchione.
Three years ago, the State Bar Association created a task force that studied 53 cases of wrongful conviction. It found that prosecutorial and police misconduct accounted for over half the cases.