He soon hired her to work in his store and the two began an unusual sexual relationship; Columbo showed classmates pictures of her having sex with De Luca's dog.
In April 1974, De Luca brought Columbo to stay in his own home, despite the fact that he still lived with his wife and five kids.
She ultimately executed her plan on May 4, 1976, with the help of Deluca, her 37-year-old boyfriend.
Columbo and De Luca were interviewed by members of the board earlier this year at Dwight and Logan correctional centers, respectively.
The two board members who voted for (Columbo's) release noted her good institutional record, and that she teaches arts and crafts, she had been doing social work and helping out other inmates, Tupy said.There was also a letter from Columbo's cousin in support of her release, Tupy said.The board majority voted to deny Columbo's parole because she was one of the moving forces behind the crime, Tupy said.High-ranking officials at the prison, including the warden, were forced to resign in the wake of the scandal.Columbo denied parole again By Madhu Krishnamurthy - Daily May 27, 2011 The Illinois Prisoner Review Board has again denied parole for Patricia Columbo and Frank De Luca, each serving 200 to 300 years in prison for the 1976 murders of Columbo's father, mother and 13-year-old brother in their Elk Grove Village home.