Myrna Kay Frost , 74, of Raytown, Mo., died December 14, 2020. Born September 20, 1946 in Columbus, Myrna was the daughter of Lloyd and Fleeta Frobish. She graduated from Raytown, Mo. High School. She then graduated from Kansas University. Myrna retired from the Social Security Administration in December of 2005 but continued to work for the Cass County Sheriff’s office. She worked with the Heart …