Vento Aureo - Chapter 7 
Bucciarati gets thrown back by Giorno's punch. Giorno tells him Luca's death was an accident, and warns him that he is willing to kill Bucciarati if he doesn't back off. Bucciarati then reveals his Stand, Sticky Fingers, and uses it to flee through a zipper in the trolley's wall. Giorno chases him through the city streets. but Bucciarati disappears amongst a small group of people by hiding in one of their bodies. When the boy Bucciarati is hiding in swats at a fly, the attack is deflected, forcing Bucciarati from his hiding spot.