One man is under arrest after a multiple stabbing incident in Prosser, Washington, which sent a 17-year-old to the hospital with critical wounds. Prosser Stabbing Investigation Continues as Police Seek Witness VideosProsser Police issued a press release concerning the incident. On July 25th, Prosser Police and the Benton County Sheriff's Department were alerted to a reported stabbing at a residence in the 2400 block of Lee Road. Mejia was taken into custody and booked into the Benton County Jail for Assault in the First Degree (RCW 9A.36.011). The 17-year-old stabbing victim's condition is currently unknown.