The information noted below was abstracted by Randi Richardson from THE TRIALS FOR TREASON AT INDIANAPOLIS published in 1865 and available online at https://books.google.com/books?id=h7ITAAAAYAAJ <https://books.google.com/books?id=h7ITAAAAYAAJ&pg=PA74&dq=%22horace+heffren %22&hl=en&sa=X&ei=eMdcVYuYDMOdsAXr-4CIDQ&ved=0CB8Q6AEwAA#v=onepage&q=%22hora ce%20heffren%22&f=false> &pg=PA74&dq=%22horace+heffren%22&hl=en&sa=X&ei=eMdcVYuYDMOdsAXr-4CIDQ&ved=0C B8Q6AEwAA#v=onepage&q=%22horace%20heffren%22&f=false. NOTE: Photographs of the men are noted on the title page. In the Fall of 1864, a military commission was convened in Indianapolis to try the following individuals for treason: Horace Heffren, William A. Bowles, Andrew Humphreys, Lambdin P. Milligan and Stephen Horsey. Together with a number of men from other states, they conspired as members and officers of secret societies such as the Order of American Knights or Order of Sons of Liberty to overthrow the government of the United States.