Athena Strand’s killer FedEx driver's split personas, defense scream ‘manipulation,’ not madness: expert

This material may not be published, broadcast, rewritten, or redistributed. ©2026 FOX News Network, LLC. All rights reserved. Quotes displayed in real-time or delayed by at least 15 minutes. Market data provided by Factset. Powered and implemented by FactSet Digital Solutions. Legal Statement. Mutual Fund and ETF data provided by LSEG. Body camera footage shows the moment Tanner Horner is questioned by police in the disappearance and murder of 7-year-old Athena Strand in Fort Worth, Texas. (Obtained by FOX 4) Disturbing video played in a Texas courtroom shows the former FedEx driver who pleaded guilty to killing 7-year-old Athena Strand flipping between personalities as his defense argues his life should be spared due to his struggles with mental health. Tanner Horner, 34, pleaded guilty to the abduction and murder of Athena just moments before his trial was set to begin in Fort Worth this week. A jury will decide if he will be sentenced to life in prison or the death penalty. Jurors have spent several days watching body camera footage and police interrogation videos of Horner’s interactions with authorities after he was taken into custody as they weigh whether he will receive the