Jurors also learned Tuesday about online searches Horner had made in the hours following Athena Strand’s murder.

The mother of killer FedEx driver Tanner Horner hauntingly told her son, “I know how you get,” after asking him whether he had sexually abused his 7-year-old murder victim, Athena Strand. On Monday, a jury in Fort Worth,

Former FedEx driver Tanner Horner apologized to Athena Strand’s family for killing their daughter, but also joked with his grandmother about selling his story for $1 million, according to evidence presented Monday during Horner’s capital murder trial in Fort Worth.

What to Know The trial will be livestreamed and live blogged in this article. The judge has warned that the trial will include graphic testimony and video. NBC 5 has decided to cut away from particularly graphic parts of the testimony.

Killer FedEx driver Tanner Horner once wrote a groveling letter to the family of his 7-year-old victim, Athena Strand, in which he apologized for taking away their “little angel” and begged for forgiveness for his heinous crime.

Horner's letter to the Strand family was apologetic and placed blame for the girl's death on him, but a letter to detectives blamed someone else.

FBI expert revealed Tanner Horner searched whether FedEx truck cameras record after allegedly killing 7-year-old Athena Strand, trial testimony shows.