Complex sentence: After their arrest, his friend A. Zeroual died victim of torture and in October 1977, at the big trial of Casablanca, Abraham Serfaty was one of the five culprits sentenced to life in prison.
Split into simpler sentences: After their arrest, his friend A. Zeroual died, a victim of torture. In October 1977, at the big trial of Casablanca, Abraham Serfaty was one of the five culprits sentenced to life in prison.