A judge will decide whether to grant a new trial to the Alamo man who was convicted of killing a Donna teen.

Lawyers for Carlos Julian Contreras argued the trial was mishandled.

Contreras was sentenced to 60 years in prison in September after he was found guilty in the shooting death of 18-year-old Genaro Isaiah "Izzy" Castillo. Castillo’s body was found near Donna Lake in January 2020 after he was shot multiple times.

As previously reported, a mistrial was initially declared on Sept. 12 after the defense team learned that prosecutors offered immunity to Contreras’ common-law-wife — Miranda Luna — without disclosing it.

PREVIOUS COVERAGE: Attorneys for man convicted of killing Donna teen seeking new trial

On the stand, Luna said she witnessed Contreras shoot Castillo after he was fo

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