Visible crew/equipment: When Jake is holding Alonzo at gunpoint in Sara's bedroom, the boom microphone appears for a few frames (immediately after Alonzo says, "It's not what you know. It's what you can prove"). (01:39:00)
Visible crew/equipment: When Ethan Hawke starts to chase Denzel Washington onto the roof of his wife's apartment, he climbs through the window. As Hawke is going through the window, you can clearly see a large stage light on a tripod, in the room behind him. (01:41:25)
Chosen answer: The money to kill Hawke was in the kitchen appliance box.