Biography
Marshall describes Berry as a Washington lawyer arrested at his brother's Maryland home on March 25, 1862 and accused of being a Confederate captain. Berry denied any Confederate civil or military service. After detention at military posts and a Washington guardhouse, he was confined in the Old Capitol Prison and discharged on April 12, 1862. Source: John A. Marshall, American Bastile (1869), printed pages 482-486, https://archive.org/details/americanbastile00marsgoog/page/n497/mode/1up.
Case
Old Capitol Prison