In August 2010, Larson wrote to the federal prosecutor describing the mental health treatment he had received after his conviction as "a complete waste of taxpayer money" since he did not have a mental illness, and announced that he would violate the terms of his release from prison: "If you happen to hear the distinctive sound of gunfire of a Solothurn S-18/100 20 mm Anti-Tank Cannon emanating from my backyard, as cardboard cutouts of statist federal politicians, federal judges, federal prosecutors, and federal agents become riddled with large, ragged bullet holes, please know, that there is nothing amiss; it is just me engaging in target practice".
