Alleged drunk driver who killed 7-year-old girl faces possible 20-year prison term, Suffolk DA says

Suffolk County prosecutors said today they are charging an alleged drunk driver whose SUV struck and killed a 7-year-old girl in Dorchester with manslaughter by motor vehicle, a charge that carries a maximum sentence of 20 years in state prison.

Olivia Morawas allegedly driving drunk and speeding on Olney Street during the afternoon on Nov. 26 when her Chevrolet Tahoe hit a parked car, jumped the curb, and hit a fire hydrant — before striking Brianna Rosales who was walking with her mother, authorities said.

Rosales was rushed to Boston Medical Center. where she was pronounced dead. Her mother, Glendalee Alvarado, 26, suffered life-threatening injuries but survived, according to Suffolk Disrtict Attorney Daniel F. Conley’s office.

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Conley’s office said a grand jury returned indictments Wednesday charging the 36-year old Mora with manslaughter by motor vehicle, motor vehicle homicide while operating under the influence, assault and battery with a dangerous weapon, operating under the influence causing serious bodily injury, and leaving the scene of an accident causing personal injury.

At the time of the crash, Mora was believed to be living in Dorchester. But on the day of the crash she was driving with a California license, and operating a vehicle that was registered in New Hampshire, officials said.

Mora was arrested shortly after the crash and arraigned last year in Dorchester Municipal Court where she pleaded not guilty to all charges. The indictment shifts the case to Suffolk Superior Court, where a day for Mora’s arraignment has not yet been set.

Last year, the Globe interviewed witness Nicole MacFarland who knew Mora and was on Olney Street when the girl was struck. “You could see her try to lift her head,” MacFarland told the Globe. “She was fighting to get her breath. She fought a little more, but after a while she just stopped.”