Complex sentence: After the unification of Germany in 1990 she was involved in several court trials because she publicly proclaimed Gregor Gysi to have been a Stasi informer, and actually spent several days in prison because she would not take the statement back publicly or pay a fine.
Split into simpler sentences: After the unification of Germany in 1990 she was involved in several court trials because she publicly proclaimed Gregor Gysi to have been a Stasi informer. Bohley spent several days in prison because she would neither publicly retract the statement nor pay a fine.