HIAG Wikipedia
HIAG (German: Hilfsgemeinschaft auf Gegenseitigkeit der Angehörigen der ehemaligen WaffenSS, literally "Mutual aid association of former WaffenSS members") was a lobby group and a denialist veterans' organisation founded by former highranking WaffenSS personnel in West Germany in 1951. Its main objective was to achieve legal, economic and historical rehabilitation of the WaffenSS.