GLENDALE, Ariz. (KSAZ) - Police are looking for an assault suspect who they say held a knife to a person's throat at a west Valley Arizona State University campus.

According to ASU police, the suspect was last seen riding a skateboard after holding a knife to the victim's throat on July 25 at the ASU West campus located near 49th Avenue and Thunderbird Road.

Police say the suspect and victim know each other.

The suspect is described as a 30-year-old Black male with a thin build and was last seen wearing blue jeans and no shirt. The suspect has a full beard, a tattoo of "Colum" on the left side of his neck, a tattoo of "Colum" on his back, and an "S" tattoo on each hand.

If you have any information, please call Phoenix police at 602-262-7626