By Anita Oh

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PHILADELPHIA (CBS) — A woman has been arrested and charged in the hit-and-run death of 5-year-old Xavier Moy in West Philadelphia last month. Anissa Thompson, 25, surrendered to authorities Thursday morning at the 9th Police District.

Now, the mother of the little boy she allegedly struck and killed is actually sending her a message of gratitude.

“Thank you so much for turning yourself in. I know you’re scared, I know you’re nervous. I’m going to be praying for you, but I forgive you. I just thank you so much for turning yourself in and doing the right thing,” said Xavier’s mother, Jasmine Moy.

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That’s the message Moy has for the woman believed to have struck and killed her son nearly two weeks ago.

“I was out running errands and that’s when I got all these calls, ‘They caught the girl, they caught the girl,’ and I just lost it,” said Moy.

Investigators say Thompson, of the 200 block of South 50th Street, surrendered to police on Thursday morning.

“She was cooperative. She didn’t run from us or anything like that,” said Philadelphia Police Capt. Sekou Kinebrew.

Thompson’s home is less than a half-mile from the 5000 block of Irving Street, where investigators believe she struck Xavier on June 22nd and then kept going.

“There’s not a day that goes by that I don’t think about my son. I love him dearly. He brought me life,” said Moy.

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Investigators had been running forensic tests on the blue Hyundai Sonata that Thompson had surrendered to police shortly after the accident.

“We had the car. We knew who she was but we had a lot of work to do to make sure we had all be evidence strong enough for a successful prosecution which we believe we do,” said Kinebrew.

She now faces charges including homicide by vehicle, involuntary manslaughter, and leaving the scene involving a death.

Bail is expected to be set at $500,000.