Her new tasks - work - focused on finding precedents and nuances that the Ministry could use to support the new regime. The people she worked with were called specialists, the best of the best. Often their knowledge has been acquired in a way that was far from legal. Most of them worked in the Ministry during the war, and thus during the reign of Voldemort. They did not commit any crimes, so they had not been   judged and put in Azkaban. On the contrary - they were promoted and given even more superior roles. 