A Frisco man convicted of killing his parents has been sentenced to life in prison.
Zachary Elliot Callens, 18, was sentenced on Monday, according to Collin County District Attorney Greg Willis.
The bodies of Ryan and Maria Callens were found in a bedroom of their Frisco home on August 11, 2014. Both were shot to death.
Their son, who was 16-year-old at the time, was located outside the home that evening.
Police overheard Zachary explain to his sister that "he did it."
When she asked him if the murders were his plan, he indicated to her that it was, police said.
A jury found Callens guilty of both murders and assessed punishment at life in prison for each.
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Callens' attorney, Mary Scanlon, said the teen was very isolated socially because his parents withdrew privileges when he refused to do his homework and chores, according to a report from The Dallas Morning News. Scanlon said Callens chose to be home-schooled after the fifth grade, but that his parents were thinking about sending him to public school.
