PTSD expert to continue testimony in Jodi Arias murder trial

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By Mike Gertzman By Mike Gertzman

PHOENIX -- The marathon first-degree murder trial of Jodi Arias marches on in a Maricopa County Superior Court today.

Defense witness, Dr. Richard Samuels, a forensic psychologist, is expected back on the stand Monday morning to continue his testimony that Jodi Arias suffers from post-traumatic stress disorder.

Samuels and Arias' lawyers want jurors to believe that the PTSD caused Arias' alleged "fog" and memory loss during the grisly killing of Travis Alexander and in the hours after the slaying.

Watch LIVE: Jodi Arias trial continues