Complex sentence: Although he had once supported Haitian President Jean-Bertrand Aristide, the government arrested him for arson on May 21,2002, but he was freed from jail by members of his gang in August 2002 and proceeded to lead anti-government riots.
Split into simpler sentences: Although he had once supported Haitian President Jean-Bertrand Aristide, the government arrested him for arson on May 21,2002. He was, however, was freed from jail by members of his gang in August 2002 and proceeded to lead anti-government riots.