Katriuk's Nazi ties were known at the time of a 1999 Federal Court of Canada decision, but more details did not emerge until the release in 2008 of KGB interrogation reports at the trial of Hryhoriy Vasiura, one of the battalion officers.

[6] Another Soviet war crimes trial in 1973 heard that Katriuk and two others killed a group of Belarusian loggers earlier on that day, suspecting they were part of a popular uprising.

[4] Katriuk claimed in Federal Court that in August 1944 he defected with the entire battalion and joined the French Resistance to fight the Nazis.

[8] He remained in the Foreign Legion to avoid repatriation, but soon learned that his unit would be sent to fight in Indochina, to which his commanding officer, whom he had a poor relationship with, said that Katriuk would be unlikely to survive.

[8] Katriuk deserted while on leave in July 1945, obtained false identity papers with a new birthday, under the name of his brother-in-law, and got a job in a butcher shop in Paris.

[9] In 1999, a Federal Court of Canada decision concluded that Katriuk immigrated to the country under a pseudonym and obtained his Canadian citizenship by providing false information.