Closing arguments finish in Ft Stewart soldier's court martial - WTOC-TV: Savannah, Beaufort, SC, News, Weather & Sports

Closing arguments finish in soldier's court martial

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Pvt. Isaac Aguigui Pvt. Isaac Aguigui

Closing arguments are complete in the court martial of Fort Stewart soldier. A military judge is now deliberating. 

Pvt. Isaac Aguigui is accused of suffocating his wife Sgt. Dierdra Aguigui in July 2011 in their home on Fort Stewart. Aguigui told investigators then that his wife died during sex. ​At that time, he collected a $500,000 life insurance policy.

Her cause of death was previously ruled undetermined. Civilian prosecutors claimed Aguigui used the insurance money to finance a militia group. Aguigui's arrest in two other murders prompted military investigators to re-evaluate her death and eventually charge him with murder. He is already serving a life sentence for the murder of a former soldier and the soldier's girlfriend in December 2011.

Prosecutors wrapped their case on Wednesday and the defense started presenting their case.

Defense attorneys said the medical evidence points more toward natural causes than homicide. A military judge is not deliberating. They called only one witness - a medical expert.

He testified that Aguigui's wife was known to have an elevated heart rate and that her death may have been the result of a sudden heart attack. The military's official autopsy report determined that no cause of death could be found.

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