 However, there was no admission of complicity by Stumpf, the Stasi, or the football club, and no sanction against BFC Dynamo – their title stood regardless of the protest.It was eventually learned that Stumpf had worked for the Stasi under the cover name "Peter Richter" since the end of his army service.After German reunification in 1990 he trained game officials for the Thüringer Fußballverband (Thuringian Football Association) and became part of the safety committee of the Nordostdeutschen Fußballverbandes (North East German Football Association).