Katyn massacre investigation

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:investigation
gptkbp:conductedBy	gptkb:Poland gptkb:Russia gptkb:Soviet_Union
gptkbp:evidence	documents forensic analysis witness testimonies
https://www.w3.org/2000/01/rdf-schema#label	Katyn massacre investigation
gptkbp:location	gptkb:Poland gptkb:Russia gptkb:Soviet_Union gptkb:Katyn_Forest
gptkbp:notableEvent	gptkb:military exhumation of mass graves international forensic investigation
gptkbp:notablePerson	gptkb:Mikhail_Gorbachev gptkb:Andrzej_Wajda gptkb:Władysław_Sikorski
gptkbp:relatedTo	gptkb:World_War_II gptkb:NKVD_files gptkb:NKVD declassified documents truth and reconciliation cover-up Polish officers Soviet war crimes German investigation report (1943) Polish government reports Russian investigation report (1990s) Soviet Politburo order
gptkbp:result	Soviet responsibility admitted in 1990 initially blamed on Nazi Germany by Soviet Union
gptkbp:startDate	1943 1990
gptkbp:subjectOf	gptkb:Katyn_massacre
gptkbp:bfsParent	gptkb:Kathleen_Harriman
gptkbp:bfsLayer	6