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GRAND PRAIRIE A middle school teacher surrendered to Grand Prairie police at about 11:30 a.m. Tuesday in last week's hit and run death of 6-year-old John Raidy, who was hit by a car as he crossed the street.

Grand Prairie Police Department spokesman Sgt. Eric Hansen said Tammy Lowe, 53, turned herself in alongside her husband. She was booked into jail.

During a press conference, Hansen said Lowe left a hand-written resignation letter at Adams Middle School before surrendering.

She taught Texas history and began working at the school in 1996. She is jailed on $100,000 bond. On Tuesday afternoon, the charges against her were upgraded from injury to a child to manslaughter, a second-degree felony. She is also charged with failure to stop and render aid, a third degree felony.

She appeared distraught and pale, Hansen said.

The case sparked community outrage when a car ran a red light and hit the child as he crossed North Carrier Parkway at Holiday Hills. The boy's mother was just a few feet away, pushing her daughter in a stroller.

An intense search for the car and driver has been underway ever since, propelled by a grainy surveillance image of a black, four-door Toyota Yaris fleeing the scene. In the days leading up to her surrender, Lowe's colleagues grew worried about her behavior and asked for police to conduct a welfare check.

John Raidy's grandmother, Anita Eads, said the family will be able to bury him with a little lighter heart knowing that a suspect is in custody. She thanked the media for its coverage, which extended far beyond the Dallas/Fort Worth Area.

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