Zackary Shepherd was sentenced to 20 years in prison on Monday (29). Miller County Prosecutor Benjamin Winfrey says Shepherd was charged in September 2014 with First Degree Robbery, Armed Criminal Action, Second Degree Assault and Unlawful Use of a Weapon following a crime spree that included the theft of a car and the armed robbery of the Jiffy Stop in Eldon. Shepherd entered an Alford plea – meaning the defendant pleas he is innocent of the crime but believes the prosecution has enough evidence to prove his guilt…