Complex sentence: The Nazi Lowriders or NLR or "The Ride" are a criminal organization primarily based in southern California, but also have small factions in rural and suburban Chicago, and it is believed to have spread to other states.
Split into simpler sentences: The Nazi Lowriders or NLR or "The Ride" are a criminal organization primarily based in southern California, but also have small factions in rural and suburban Chicago. Although it is believed to have spread to other states.