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Saturday night's hit and run between Lindsay Lohan's driver and a photographer outside The Hotel Cafe may be more serious than just a standard traffic issue, we've just learned that the driver may be charged with assault with a deadly weapon!

The LAPD tells X17online that although the case is "still under investigation," it's possible that the collision between Lohan's car and photographer Koko, could turn into an "ADW," which, if convicted, carries a minimum sentence of 2 to 4 years.

“That girl was driving like an aggressive b*tch," Koko tells X17online exclusively, about Lindsay's driver who was wearing her sunglasses in the dead of night. "She knocked me down on the ground and she didn’t give a sh*t — she didn’t bother to even roll down the window and yell out to me to see if I was okay. She just sped off and kept going.” (Watch the video here.)

Lindsay is smart enough to have a driver shuttle her around after her own problems with the law, but maybe she should hire an actual driver next time, not an assistant/friend who wears her sunglasses at night!