Two witnesses testified about Tanner Horner’s claim of an alter ego named “Zero.”⁠ ⁠ A forensic psychologist said he found no evidence of multiple personality disorder. Previously, a speech-language pathologist told jurors she believed “Zero” was not real but instead a tool Horner used to describe what happened.⁠ ⁠ #TannerHorner #AthenaStrand #TrueCrime #TexasNews #Courtroom #NBCDFW