Scores of people were arrested, including many tangential associates of the conspirators and anyone having had even the slightest contact with Booth or Herold during their flight. These included
Louis J. Weichmann, a boarder in Mrs. Surratt's house; Booth's brother
Junius (in Cincinnati at the time of the assassination); theater owner
John T. Ford;
James Pumphrey, from whom Booth hired his horse;
John M. Lloyd, the innkeeper who rented Mrs. Surratt's Maryland tavern and gave Booth and Herold weapons and supplies the night of April 14; and Samuel Cox and Thomas A. Jones, who helped Booth and Herold cross the Potomac.All were eventually released except:
