Thursday, evidence revealed the grandparents' side of the story, in an investigation that put them in jail six months ago.
This week, Kenneth and Shelley Walker have been on trial. They're accused of giving their 2-year-old granddaughter second degree burns on her feet with scalding water.
Just one witness took the stand Thursday, Tyler Police Department Detective Michelle Brock, who was the lead investigator in the case.
Clips of her four-hour-long interviews with Kenneth and Shelley Walker revealed intense interrogation.
Shelley Walker: I don't know who did it.
Detective Brock: You're lying.
Shelley Walker: No, I'm not.
Detective Brock: You're a liar. L-i-a-r. Do you understand that? You're a liar. You're a disgrace to motherhood. You're a disgrace to being a grandmother. You're a disgrace period.
Detective Brock testified that Shelley Walker's emotion during their interviews was fake. Brock said Walker never shed a tear.
Shelley Walker: I love my grandkids. Detective Brock: Really? Shelley Walker: I would never allow something like this. Detective: You did.
Shelley Walker: No I didn't.
The Walkers' defense attorneys cross-examined Brock about the temperature of the water that left the burns. According to the arrest affidavit, the absence of splash marks on their granddaughters' legs indicated the burns were immersion burns and not accidental.
"This water was not even hot enough to cause splash marks, but you didn't know that at the time, did you," said defense attorney Scott Ellis to detective Brock.
"I guess I did not," Brock replied.
Brock testified that she did not believe the child could have turned on the water and gotten into the tub by herself. The defense attorneys said they had evidence the child could and that she'd done it before.
The jury also saw a recorded interview with Kenneth Walker. Both grandparents said in their interviews that they did not see how their granddaughter got the burns. When the incident happened, they say they thought their granddaughter was watching cartoons in her room with her brother.
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