Complex sentence: Seeking revenge, Prewitt tracks down Judson in town and invites him into a back alley to talk, then attacks him using the very same switchblade Judson had pulled on Maggio earlier.
Split into simpler sentences: Seeking revenge, Prewitt tracks down Judson in town and invites him into a back alley to talk, then attacks him. The two fight with switchblades, Prewitt using the very same switchblade Judson had pulled on Maggio earlier.