▁Finland ; ▁he ▁reported ly ▁asked ▁the ▁Fin ns ▁to ▁step ▁up ▁military ▁operations ▁against ▁the ▁S ovi ets , ▁but ▁apparently ▁made ▁no ▁specific ▁dem ands . ▁ ▁During ▁the ▁visit , ▁an ▁engineer ▁of ▁the ▁Finn ish ▁broadcast ing ▁company ▁Y LE , ▁Thor ▁D amen , ▁succeeded ▁in ▁recording ▁the ▁first ▁eleven ▁minutes ▁of ▁Hitler ' s ▁and ▁M anner heim ' s ▁private ▁conversation . ▁This ▁had ▁to ▁be ▁done ▁secret ly , ▁as ▁Hitler ▁never ▁allowed ▁off - guard ▁record ings . ▁D amen ▁was ▁assigned ▁to ▁record ▁the ▁official ▁birth day ▁speech es ▁and ▁M anner heim ' s ▁response ▁and ▁therefore ▁placed ▁micro ph ones ▁in ▁some ▁of ▁the ▁railway ▁cars . ▁However , ▁M anner heim ▁and ▁his ▁guests ▁chose ▁to ▁go ▁to ▁a ▁car ▁that ▁did ▁not ▁have ▁a ▁micro phone ▁in ▁it . ▁D amen ▁acted ▁quickly , ▁pushing ▁a ▁micro phone ▁through ▁one ▁of ▁the ▁car ▁windows ▁onto ▁a ▁net ▁sh elf ▁just ▁above ▁where ▁Hitler ▁and ▁M anner heim ▁were ▁sitting . ▁After ▁eleven ▁minutes ▁of ▁Hitler ' s ▁and ▁M anner heim ' s ▁private ▁conversation , ▁Hitler ' s ▁SS ▁body gu ards ▁sp otted ▁the ▁c ords ▁coming ▁out ▁of ▁the ▁window ▁and ▁realized ▁that ▁the ▁Finn ish ▁engineer ▁was ▁recording ▁the ▁conversation . ▁They ▁gest ured ▁to ▁him ▁to ▁stop ▁recording ▁immediately , ▁and ▁he ▁comp lied . ▁The ▁SS ▁body gu ards ▁demanded ▁that ▁the ▁t ape ▁be ▁destroyed , ▁but ▁Y LE ▁was ▁allowed ▁to