McCord's 30-month sentence appeared to bring to an end what once was described as the most ambitious public corruption probe to come out of Harrisburg in years, a probe that also ensnared another former state treasurer, Barbara Hafer, as well as the onetime chief of staff to Gov. Rendell, John Estey. The investigation spanned years, as onetime top political figures including McCord agreed to secretly wear recording devices for conversations with other insiders.