Tanner Horner Trial Day 10: Jury hears more testimony on Horner’s childhood, mental health
Jurors in the Tanner Horner trial heard testimony about Horner's childhood and mental health, including his autism diagnosis and lead exposure. Experts testified that Horner had high levels of lead in his body, which could have impacted his neurological health.
Tarrant County jurors continued to weigh a death sentence for Tanner Horner, who pleaded guilty to capital murder and kidnapping in the 2022 death of 7-year-old Athena Strand. Horner's aunt testified about substance abuse in their family, including his father's addiction and imprisonment. A second cousin described babysitting Horner as an infant and his hyperactive behavior. Dr. Aaron Specht, a medical physics expert, testified that Horner had 33,000 micrograms of lead in his body, significantly higher than average. A therapist and psychologist also testified about Horner's autism diagnosis and special education services. The jury must now decide between the death penalty or life in prison without parole.
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