Psychologist takes the stand in Sisouvanh murder trial - NBC Right Now/KNDO/KNDU Tri-Cities, Yakima, WA |

Psychologist takes the stand in Sisouvanh murder trial

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KENNEWICK, Wash. -- Defense attorneys continued calling witnesses to the stand today in the trial of a Kennewick woman accused of killing a pregnant woman and cutting out the unborn child.

Phien Sisouvanh has pleaded innocent by reason of insanity. Doctor Philip Barnard took the stand today. He is a psychologist who has interviewed Sisouvanh 39 times over the past two years. He says she fits all the criteria of insanity.

"The dissociative disorder, the psychotic disorder. She's delusional. She has hallucinations. Her neuropsychological testing and her neurological history clearly indicates, to me, as a neuropsychologist, that she has brain damage," explains Dr. Barnard.

Barnard also says Sisouvanh believes she's currently pregnant, after more than two years in jail.

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