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"I had nothing to do with the murder of Mark Fisher," John Giuca said.
In this “20/20 Extra” clip from April 2018, Doreen Quinn Giuliano travels to see her son John Giuca, convicted of murder in 2005. Though the conviction was overturned, he remains behind bars.
How far would a mother go to prove her son's innocence? Now, new details and stunning new interviews - 'Undercover Mother' airs Tonight at 9/8c on ABC.
Doreen Quinn Giuliano recalls her reaction to hearing her son was found guilty of murder and sentenced to 25 years to life in prison. Though the conviction was overturned, he remains behind bars.
Now 10-years after her death - stunning rare video, exclusive interviews, new surprising details. "This is Farrah Fawcett" the emotional documentary event special airs Thursday, May 23 at 8/7c on ABC.