Updated

A 12-year-old girl dressed up for a night of trick-or-treating was struck and killed by a suspected drunken driver as she crossed a Las Vegas street on Halloween night, and Nevada law enforcement agencies were scheduled to host a news conference on pedestrian safety late Wednesday.

Faith Love's death marked the third auto-pedestrian fatality in recent days in the area, and served as a reminder of the potential dangers of sending children off into the night to collect treats.

The girl's mother, Rocquell Love, told the Las Vegas Review-Journal that the family initially planned to spend the holiday with church friends, but Love opted to send her daughter with a group of cousins under the care of an aunt after her six-year-old son got sick.

A witness to the accident, 15-year-old Aaron Francois, was trick-or-treating with his brother when he saw the 2009 Mazda RX-8 hit the girl. The car appeared to be traveling much faster than the 25 mph speed limit in the residential neighborhood.

Francois told the Review-Journal he heard a young boy scream, "That's my cousin, that's my cousin!"

The 41-year-old driver, Justin Caramanica, was arrested on a felony drunken driving charge and was being held at the Clark County jail. A court hearing has been scheduled for early Thursday morning.

Love said her daughter was dead by the time she arrived at the hospital Monday night. She said she doesn't blame her sister for her daughter's death.

"She feels because she was with her, she should have been able to take care of her and protect her," Love told the Review-Journal.

The victim, a seventh-grader, especially loved books about Native Americans, and based her Native American princess costume on her readings.

"You know how most kids hide in the bathroom, supposed to be getting ready for school, but they're playing video games and texting?" her mother said. "My child would literally go in there with a book. She would read three or four books at a time. She just loved knowing things and learning."

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Information from: Las Vegas Review-Journal, http://www.lvrj.com