Rubuta ci gaba don wannan sakin layi - Krähenbühl ya fara a ICRC a ƙarshen 1991 tare da aiki a El Salvador, bayan ƙarshen yakin basasa
a can. Daga nan aka tura shi zuwa Ayacucho, Peru (1992 <unk> 93), yana aiki a yankunan Andes masu nisa, a ƙauyukan da ke fama da tashin hankali tsakanin Shining Path da Sojojin Peruvian. Shekaru biyu masu zuwa sun gan shi yana aiki a Afghanistan, da farko a Jalalabad (1993), sannan a Kabul (1994<unk>95).