62750
He served as an Officer ( armed forces ) in the United States Marine Corps , Special Agent in the Federal Bureau of Investigation , Deputy Assistant Secretary of Defense , and Director of Investigations for the United States Senate Select Committee on Intelligence .
 United States Marine Corps, Federal Bureau of Investigation
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 United States Marine Corps, Federal Bureau of Investigation