King County prosecutors have filed murder charges against three 19-year-old men and a 16-year-old girl in connection with a fatal shooting at a Seatac motel. Kavahn Matthews-Smith, Qiantre Taylor and Rodney Willis were charged Tuesday in the slaying of 47-year-old Herman Tucker. Willis' sister, Earnetra Turner, was also charged as an adult...Prosecutors say an arrest warrant has been issued for Matthews-Smith. The sheriff's office says witnesses saw the victim drive up and enter a motel room. Within a few minutes they heard an argument and then a gun shot.