. ▁The ▁unit ▁had ▁many ▁contacts ▁with ▁both ▁the ▁Ch et nik s ▁and ▁the ▁U sta še ▁Milit ia , ▁and ▁had ▁been ▁tracking ▁T ito ▁since ▁October ▁ 1 9 4 3 . ▁ ▁Kirch ner ▁of ▁that ▁unit ▁had ▁been ▁responsible ▁for ▁loc ating ▁T ito ▁prior ▁to ▁the ▁re - capt ure ▁of ▁J aj ce , ▁and ▁he ▁established ▁a ▁pat rol ▁base ▁near ▁Bos ans ko ▁Gra h ovo . ▁He ▁got ▁very ▁close ▁to ▁the ▁Dr var ▁cave , ▁and ▁located ▁the ▁Al lied ▁military ▁miss ions , ▁but ▁despite ▁German ▁radio ▁intercept s ▁confirm ing ▁that ▁Dr var ▁was ▁the ▁site ▁of ▁T ito ' s ▁headquarters , ▁Kirch ner ▁was ▁unable ▁to ▁pin point ▁the ▁cave ▁as ▁the ▁location ▁of ▁the ▁headquarters . ▁Kirch ner ▁was ▁attached ▁to ▁the ▁ 5 0 0 th ▁SS ▁Par ach ute ▁Battalion ▁for ▁the ▁operation . ▁ ▁The ▁second ▁intelligence ▁organisation ▁was ▁F AT ▁( Front ▁Re con na issance ▁Tro op ) ▁ 2 1 6 ▁of ▁Section ▁I ▁of ▁the ▁. ▁F AT 2 1 6 , ▁commanded ▁by ▁ ▁Z av ad il , ▁was ▁also ▁attached ▁to ▁the ▁ 5 0 0 th ▁SS ▁Par ach ute ▁Battalion , ▁but ▁did ▁not ▁contribute ▁much ▁to ▁the ▁intelligence ▁used ▁to ▁plan ▁the ▁ra id . ▁ ▁On ▁Adolf ▁Hitler ' s ▁orders , ▁ ▁Otto ▁Sk or zen y ▁of ▁the ▁ ▁( SD , ▁the ▁intelligence ▁branch ▁of ▁the ▁SS ), ▁who ▁had