FRESNO, Calif. (KFSN) -- In an arraignment on Tuesday, 37-year old Heather Langdon pleaded not guilty for the drowning of her 10-month old twin boys.
The Tulare County District Attorney's Office filed four felony charges against Langdon on Monday, including murder and assault on a child causing death.
RELATED: Mother charged with murder, assault on a child for drowning 10-month old twins
Last Thursday morning, Tulare Police responded to reports of a drowning at the Virginia Motor Lodge motel.
First responders started CPR on the 10-month-old twin boys, but they died at the hospital.
Langdon will be back in court on Wednesday for her pre-prelim hearing.
Woman accused of drowning 10-month old twins pleads not guilty in court
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