Craig Sico says the punitive damage award is symbolic and the family expects none of it will be paid.
The defendant, Don Wilburn Collins, is currently imprisoned on an unrelated sexual assault charge. He was never charged and denies involvement in the 2010 death of 20-year-old Robbie Middleton.
Sico says he asked jurors to make a statement by topping the $145 billion Florida verdict against tobacco companies in 2000.
Neither Collins nor any attorney appeared for him at the civil trial. The Texas Department of Criminal Justice didn’t respond to requests for comment Tuesday.