LAS VEGAS (AP) St. Louis Rams running back Steven Jackson won't face criminal charges over allegations that he beat a girlfriend who was nine months pregnant with the couple's child at his Las Vegas home last year, a police spokeswoman said Tuesday.

Investigators found insufficient evidence that Jackson, 26, attacked Supriya Harris of Mableton, Ga., in March 2009, Las Vegas police Officer Barbara Morgan said.

"Our investigation is complete," said Morgan, a department spokeswoman. "I don't think the time passage was a factor here. We contacted the victim, the accused and witnesses. There's insufficient evidence to go forward with the case." (MORE)