Haarmann served the nine-month prison sentence imposed in 1918 for sexual assault and battery between March and December 1920. Upon his release, he again regained the trust of the police and again became an informer. Haarmann initially resided in a hotel, before he and Grans lodged with a middle-class family.
Haarmann s.erved the nine-month prison sentence imposed in 1918 for sexual assault and battery between March and December 1920 Upon his release, he again regained the trust of the police and again became an informer. Haarmann initially resided in a hotel, before he and Grans lodged with a middle-class family.