 On 10 September, Göring passed to him letters written by two RAF prisoners of war captured during a leaflet-bombing raid, as a proof of his goodwill, which were duly passed on by Dahlerus to Monson, the British minister in Stockholm.Dahlerus said to Monson that Göring was "absolutely trustworthy" and claimed to Monson that Hitler's popularity was declining.He then flew to Berlin where, on 26 September, he met with Göring and Hitler.