Complex sentence: Vito witnesses Fanucci threaten to disfigure a young girl when her father refuses to pay him, and watches Fanucci wander the streets, an arrogant and pretentious fop, with no obvious protection of his own, but takes no immediate action.
Split into simpler sentences: Vito witnesses Fanucci threaten to disfigure a young girl when her father refuses to pay him. Vito watches Fanucci wander the streets, an arrogant and pretentious fop with no obvious protection, but takes no immediate action.