Capston's special mission. [from the Richmond times July 16, 1896.] letter of the Secretary of State Defining his duties. To cut off the recruit Supply. Caution is given that though Secrecy must be maintained, if possible, everything must be carried out in an honorable way.The letter published below is self-explanatory, and is a copy from the original letter, which belongs to Mr. S. L. Kelly, of this city, who was administrator for Lieutenant Capston's estate, and found the document among the papers of the deceased when a settlement was made:
Department of State, Richmond, July 3, 1863.Sir,—You have in accordance with your proposal made to this department, been detailed by the Secretary of War for special service under my orders.  The duty which is proposed to entrust to you is that of a private and confidential agent of this government, for the purpose of proceeding to Ireland, and there using all legitimate means to enlighten the population as to the true nature and character of the contest now waged in this continent, with the view of defeating the attempts made by the agents of the United States to obtain in Ireland recruits for their armies. It is understood that under the guise of assisting needy persons to emigrate, a regular organization has been formed of agents in Ireland who leave untried no method of deceiving the laboring population into emigrating for the ostensible purpose of seeking employment in the United States, but really for recruiting the Federal armies.