A former research specialist at a hospital in Pittsburgh has pleaded guilty to wire fraud in federal court after stealing singer Tammy Wynette's confidential medical records, the Associated Press reports. William A. Cox logged onto a computer at University of Pittsburgh Medical Center Presbyterian using a former doctor's password. After gaining access to Wynette's medical history, he sold the records to tabloid publications for $1,760. Wynette, who suffered health problems for years, died in her Nashville home of heart failure on April 6, 1998. The 55-year-old entertainer had been a patient at UPMC Presbyterian in 1994 and 1995. Cox now faces a $250,000 fine and five years in prison.