Complex sentence: Niles Ferrier, a ship thief, tried to get the smuggler Talon Karrde killed, but it ended up bringing about the Smugglers Alliance, which Thrawn had feared.
Split into simpler sentences: Niles Ferrier, a ship thief, tried to murder Talon Karrde. However, the bold move ended up bringing about the Smugglers Alliance, which Thrawn had feared.