Attorney General Ernie Preate, who was known for both being a tough prosecutor and working to reform the mental health system, was seen as the initial frontrunner, but his attempt was marred by a corruption controversy.
Tom Ridge, who Republicans had initially tried to court to run in the 1990 election, slowly built name recognition and gained political backing due to his relatively moderate track record.
[1] Prior to the election, Singel appeared to be a candidate who would be difficult to beat; he had gained wide name recognition and a positive job appraisal for his service as acting governor during Bob Casey's battle with serious illness.
[3] The tide began to turn against Singel after the revelation that he had voted to parole an individual named Reginald McFadden, who would later be charged for a series of murders in New York City.
Ridge, whose campaign emphasized his "tough on crime" stance, took advantage of this situation, much in the manner that George H. W. Bush had used the Willie Horton incident against Michael Dukakis.