Monroe Woman Indicted For Allegedly Poisoning Husband

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NEW BRUNSWICK — A Monroe Township woman was indicted by a grand jury in Middlesex County today on charges of killing her husband and then giving police false information during an investigation into the fatal poisoning, Middlesex County Prosecutor Bruce J. Kaplan announced.

Tianle Li, 41, allegedly poisoned her husband, Xiaoye Wang, a 39-year-old computer software engineer who died on Jan. 26.


The indictment charges that Li administered poison to her victim between Nov. 16, 2010, and Jan. 26, in Monroe, and later in Princeton, after Wang admitted himself to the University Medical Center at Princeton for treatment of an unknown illness.

The indictment further charges that Li gave false information to police in Princeton on Jan. 26, when they were initially assigned to investigate Wang’s death.

Li was arrested and charged following an investigation by Sgt. Jason Grosser of the Monroe Township Police Department and Investigator Jeffrey Temple of the Middlesex County Prosecutor’s Office. The investigation determined that Li and Wang, who were in the process of getting a divorce, had been involved in a series of domestic disturbances since April 2009.

Investigators determined that Li, who had been employed for 10 years as a chemist at Bristol-Myers Squibb, had obtained an undisclosed quantity of thallium, a highly-toxic metal, and allegedly administered a portion of the substance to her husband between Nov. 16, 2010, and Jan. 26.

After becoming ill with apparent flu-like symptoms, Wang checked himself into the Princeton hospital on Jan.14. A series of tests, completed on Jan. 25, determined that he had been poisoned with thallium. Wang was pronounced dead at the hospital on Jan. 26 at 3:10 p.m.

Following the death, members of the New Jersey State Police Hazardous Materials Unit and the Middlesex County Hazardous Materials Unit undertook an extensive investigation at Wang’s home, and concluded that no one else was exposed to thallium.

Li is being held at the Middlesex County Adult Correction Center in North Brunswick in lieu of $4.15 million bail.

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