Tanner Horner, the man accused in the 2022 killing of 7-year-old Athena Strand, pleaded guilty Tuesday morning as his trial was set to begin in Fort Worth.
Horner was charged with capital murder of a person under the age of 10 and aggravated kidnapping.
The punishment phase of the trial, expected to last up to three weeks, began after Horner officially pleaded guilty in front of the jury…