Van's interview is based on:

• A “Regular” Citizenship Interview Based on the USCIS N-400r (6 pgs, 75 questions) (updated 10/01/2016)
• • pdf: http://goo.gl/Q5BhXk
  • ppt: https://goo.gl/GUfiKY
  • vocab pdf: https://goo.gl/PsDrG9