AUSTIN (KXAN) - A man sent to prison for one of Austin's most notorious murders could have the chance of a new trial.
Colton Pitonyak's case heads back to court Tuesday morning, though Pitonyak himself may not be physically present in the courtroom.
He's serving a 55-year sentence for the 2005 murder of Jennifer Cave in a West Campus apartment.
The case dates back to summer 2005 when police found Cave's dismembered body inside the apartment.
On Tuesday, Pitonyak's attorneys will appear before a federal judge, who will hear arguments about whether the prosecution improperly withheld evidence that could have helped Colton's defense.
The evidence allegedly withheld is a confession by Pitonyak's then-girlfriend Laura Hall, who is serving a collective 11-year prison sentence for tampering with evidence in the cover-up.
Pitonyak's lawyers also want to use that and other evidence to show that Hall is really the one who killed Cave.
In-Depth: Laura Hall's sentencing
After five years of emotional legal wrangling in the wake of the violent West Campus killing of a UT student, a Travis County jury sentenced Laura Hall on July 2, 2010 to a collective 11 years in prison and $14,000 in fines.
The sentence was the maximum possible for dismembering Cave's body, for which Hall had been convicted in 2007.
Cave's family began hugging each other as Hall showed little emotion during the verdict.
Hall's father continued to proclaim his daughter's innocence.
The jury gave Hall one year for a charge of hindering apprehension and 10 years for the charge of tampering with evidence. She is expected to serve the two sentences concurrently, and get credit for the two years she's already spent behind bars.
A jury convicted Hall in 2007 of helping former University of Texas student Pitonyak dismember Cave's body in a West Campus bathtub at the Orange Tree condominiums. Pitonyak is serving 55 years for the slaying.
However, the Texas Third Court of Appeals threw out her five-year sentence on Feb. 19, 2009.
In addition, the Texas Department of Criminal Justice rejected on Oct. 28, 2011 Hall's bid for parole.
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