Complex sentence: In prison Johnson, who changed his name to Khalil Islam, rejected the Nation's teachings and converted to Sunni Islam; released in 1987, he maintained his innocence until his death in August 2009.
Split into simpler sentences: In prison Johnson, who changed his name to Khalil Islam, rejected the Nation's teachings and converted to Sunni Islam. Released in 1987, he maintained his innocence until his death in August 2009.