The defense could rest its case as early as Tuesday in a Calhoun Co. capital murder trial.
Nicholas Smith is the first of three people to be tried for kidnapping, robbing and murdering Wellborn Elementary School teacher Kevin Thompson.
Monday, Smith's mother was among those testifying that Smith had an especially horrific childhood.
The woman testified that Smith was sexually abused at a young age and that when he was 13 he drove her to the liquor store. The woman admitted she once even smoked pot with her son when he was 14.
The defense is expected to call a number of experts to the stand Tuesday morning.
Tyrone Thompson, who is not related to the victim, and Jovan Gaston are also charged with capital murder in Kevin Thompson's death.
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