HAGATNA, Guam (AP) — A 26-year-old Guam man has pleaded not guilty to killing his mother in her home in August.

Pacific Daily News reports (http://bit.ly/1dpKenN ) Allan Aloan Agababa entered the plea Wednesday local time after declining to enter a plea last week. Agababa says he is in the process of getting a private attorney while being represented by a public defender.

An autopsy found Agababa's mother, 55-year-old Shelly June Bernstein, died of blunt-force trauma to her head. The autopsy also found six adhesive patches of the drug Fentanyl on her body. Fentanyl is an opiate Bernstein was using to treat chronic back pain.

Dr. Aurelio Espinola, the territory's chief medical examiner, said the six patches would result in an overdose.

Court documents say Agababa says he found his mother's body early in the morning. The documents say he told his neighbor someone had broken into her home but didn't call emergency officials himself.

Bernstein worked at United Airlines as a flight attendant. Prosecutors say Agababa called the airline hours after his mother died to ask about her death benefits.

Bail for Agababa is set at $1 million.

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Information from: Pacific Daily News: http://www.guampdn.com