A Crossville Police K-9 officer killed in the line of duty last year will be honored today (Friday, May 11, 2018) at the 1st police K-9 Memorial Service in Washington D.C. Crossville Police K-9 Officer Cain died last year after being stabbed by a suspect during a pursuit. Cain’s handler, Lieutenant Bart Riden, will attend the service that not only will memorialize Cain but all K-9 officers in the nation who’ve died in the line of duty.