 The distinctive boot print and the use of the word "sugar" to describe money was not enough to convict Stilwell, and Judge Spicer dropped the charges for insufficient evidence just as he had done for Doc Holliday earlier in the year.On October 13, two weeks after Frank was acquitted on the state charges, Virgil in his role as Deputy U.S.Marshal filed new federal charges against Stilwell and Spence for the federal crime of interfering with a mail carrier.