Park Dietz, Prominent Expert Witness, Escapes Indictment

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Harris County, Texas, grand jurors declined to indict a prominent psychiatrist from the Andrea Yates case Thursday after hearing testimony about his false statements during the trial of the Clear Lake mother who drowned her five children.

Dr. Park Dietz, renowned for his work on high-profile murder cases, appeared before the grand jury Thursday for several hours to answer questions about his testimony during the Yates trial about a nonexistent episode of a television program.

After hearing from Dietz and prosecutors Joe Owmby and Kaylynn Wiliford, grand jurors moved to no-bill Dietz, reports the Houston Chronicle.

Dietz was a key prosecution witness in the Yates case. Paid $50,000, he testified Yates was sane when she killed her children.

During his testimony, Dietz erroneously described a TV show about a mother who drowned her children and was acquitted with an insanity defense. Prosecutors built on that testimony in the closing arguments of the capital murder case, saying the episode influenced Yates. The jury found her guilty of capital murder, rejecting her insanity defense.


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