 She was arrested in Jackson, Mississippi and spent almost six months in Mississippi State Penitentiary, better known as Parchman Farm, the oldest prison and the only maximum-security prison for men in the state of Mississippi.Of all the Freedom Riders, white or black, Winonah Beamer served the longest sentence and was the only Freedom Rider who served her full term.A white student at historically black Central State University in Wilberforce, Ohio, she joined the Freedom Riders in the summer of 1961.