Rapid City police are investigating an overnight robbery and asking for your help.
Around 9:30 p.m. Thursday, a man came into the Rushmore Casino, pepper sprayed the clerk and got away with some cash.
Witnesses describe the suspect as a slender Native American male, six-feet tall, wearing a dark hooded sweatshirt with the hood pulled over his head and dark sunglasses. He also has a four to five inch "stringy" goatee and long black hair.
If you have any information on this robbery, you're asked to call police.