RP 96 Hoover Checks Taxes of Unavailables

Text on page 96:

In 1956, Hoover had a new idea on how to prosecute those in the Party who had fled their homes in 1951. While working somewhere to earn a living, these “unavailables” should have filed federal tax returns — if not, they had broken the law. This tax gambit had worked effectively in the prosecution of Al Capone; maybe it would work again. Hoover commissioned a study of the tax returns of all those whom the FBI believed had “gone underground.” In October 1957 Hoover sent the following memo to the local Baltimore FBI Office (reproduced here in its entirety):

Copy of original letter: