Athena Strand murder: NEW DETAILS on motive of killing | LiveNOW from FOX

The disturbing details of 7-year-old Athena Strand's death came to light in a newly filed arrest affidavit for contracted FedEx delivery driver Tanner Horner. In a confession to investigators, Horner reportedly said he had finished delivering a package at Strand's home in Paradise. He said he was backing up his FedEx truck, when he accidentally hit Athena with the truck.