ness , ▁the ▁Ab wehr ▁were ▁susp icious ▁and ▁they ▁found ▁the ▁plan ▁he ▁carried ▁extremely ▁amateur ish . ▁ ▁His ▁mission ▁complete ▁( del iver ing ▁the ▁plan ▁and ▁an ▁inv itation ▁from ▁Hay es ▁for ▁a ▁German ▁officer ▁to ▁be ▁sent ▁to ▁Ireland ), ▁H eld ▁returned ▁to ▁Ireland ▁two ▁days ▁later . ▁The ▁Ab wehr ▁II ▁war ▁di ary ▁briefly ▁records ▁the ▁entire ▁incident ▁beginning ▁ 2 0 ▁April ▁ 1 9 4 0 : ▁ ▁" A ▁personal ▁em iss ary ▁of ▁the ▁chief ▁Irish ▁agent ▁( J im ▁( Se am us ) ▁O ' Don ovan ) ▁has ▁arrived ▁in ▁Germany ." ▁ ▁Then ▁on ▁ 2 4 ▁April : ▁ ▁" The ▁representative ▁sent ▁from ▁Ireland ▁to ▁Germany ▁on ▁beh alf ▁of ▁Ab wehr ▁II ' s ▁chief ▁Irish ▁agent ▁depart ed ▁according ▁to ▁plan ▁on ▁April ▁ 2 3 ▁for ▁Belg ium ▁by ▁secret ▁route ." ▁ ▁Details ▁of ▁Plan ▁Kath le en ▁ ▁According ▁to ▁G ör tz , ▁Kath le en ▁consisted ▁of ▁a ▁map , ▁on ▁which ▁was ▁the ▁suggestion ▁of ▁a ▁German ▁landing ▁similar ▁to ▁that ▁at ▁Nar vik , ▁in ▁the ▁vic inity ▁of ▁Der ry ▁— ▁an ▁am ph ib ious ▁assault . ▁The ▁aim ▁of ▁the ▁plan ▁was ▁the ▁con quest ▁of ▁Northern ▁Ireland ▁via ▁a ▁simultane ous ▁I RA ▁ins ur gency ▁and ▁use ▁of ▁German ▁forces . ▁The ▁I RA ▁were ▁to ▁be ▁concentr ated ▁in ▁the ▁county ▁of ▁Le it rim ▁on ▁the ▁border ▁facing