Visible crew/equipment: After the first scene showing the plane starting up its engines and turning around, we are shown another scene of rioters throwing slot machines out of a club. In the bottom centre of the screen you can see a silhouette of what looks to be a part of a jigsaw puzzle piece on the camera. The object must be on the camera because when the camera pans to the right and down, the silhouette stays in the same position in the picture. (01:42:05)
Visible crew/equipment: In one of the flashback scenes Fanucci climbs onto Vito's car. When Fanucci tells him that he and his friends should pay him more respect there's a rather large reflection of the crew in one of the cars driving by. (01:46:50)
Visible crew/equipment: In the scene where Vito shoots Fanucci, you can see the squib in Fanucci's waistcoat before it detonates.
Visible crew/equipment: In the flashback scene shortly after young Vito has killed Fanucci and then joins his family on the front steps, a boom microphone is visible above and to the right of the steps.
Chosen answer: They helped him escape Don Ciccio's death warrant. He likely loves them like parents, and this would make them the childrens' grandparents.
Captain Defenestrator