Pass and Crash

[Gutierrez7]

Pass and Crash question: In a 2 person crew:
Which official calls the foul? Lead or Trail
Which official stays with the ball on the pass? Lead or Trail

Dribbler A1 is driving to team A’s basket in the lane:

1a) Begins a layup, however, while in the air, A1 decides to pass to:

1.a.1) A4 standing behind the 3pt arc in the “Lead Officials PCA”
1.a.2) A3 standing near the 3pt arc in the “Joint coverage area”

2a) Continues driving, however, A1 decides to pass to:

2.a.1) A4 standing behind the 3pt arc in the “Lead Officials PCA”
2.a.2) A3 standing near the 3pt arc in the “Joint coverage area”

Player A1 then dislodges Player B5, who has obtained Legal Guarding Position in the lane.