After the war, Western intelligence services employed him. He later moved to Bolivia. In 1983, he was extradited to France. In 1987, Barbie was sentenced to life imprisonment. He passed away 4 years later.
Claimed crimes included being involved in deportations to Holocaust camps.
Alleged witnesses alleged that he tortured and murdered prisoners, including children. Allegations included breaking extremities, using electroshock and sexually abuse (including with dogs), among other methods. The daughter of a French Resistance leader based in Lyon claimed her father was beaten and skinned alive, and that his head was immersed in a bucket of ammonia; he died shortly afterwards.