Loader’s Initiats alo : b7E ji - Investigative Assistance or Technique Used er eti ioe File Number 4. Used, but did not help 3. Helped, substantially EC-MM-(oKoez 2. Helped, minimally 4. Absolutely essential For Sub. Invest. Assist. by other FO(s) indicate A, B, C, D for corresponding FO AT ___Rale FO_IAT_—_—=Ral