Hofmann, along with Brigitte Mohnhaupt, Peter-Jürgen Boock and Rolf Wagner was arrested on 30 June 1978 in Yugoslavia, but they were all freed and flown to an undisclosed country of their choice. A lot of them went immediately back underground, including Hofmann. Two years later, however, in 1980, Hofmann was rearrested in Paris (alongside Ingrid Barabass), following a raid on a RAF safehouse.
On 26 September of the same year, Hofmann, then 50 years old, was found guilty of involvement in 5 cases of murder, and 3 cases of attempted murder by the Higher Regional Court in Stuttgart, and was sentenced to life imprisonment. . Her crimes included her offences against Ponto, and other crimes such as a failed bomb attack on NATO Commander Alexander Meigs Haig, Jr. and the murder/kidnap of President of the German Employer's Association, Hanns Martin Schleyer. She was however released from Prison in May 5 1999.