While he was in Moabit , the attitude of the German authorities towards the Bolsheviks changed .
Radek was arrested after the Spartacist uprising on 12 February 1919 and held in Moabit prison until his release in January 1920 .
While Radek was in Moabit , the attitude of the German authorities towards the Bolsheviks changed .
Radek was arrested after the Spartacist uprising on 12 February 1919 and held in Moabit prison until his release in January 1920 .