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 death penalty…