Complex sentence: His assailants included Bobby Frank Cherry, who had been involved in the 16th Street Baptist Church Bombing; the mob beat him with chains and brass knuckles in the street while someone stabbed his wife.
Split into simpler sentences: His assailants included Bobby Frank Cherry, who had been involved in the 16th Street Baptist Church Bombing. The mob beat him with chains and brass knuckles in the street while someone stabbed his wife.