Visible crew/equipment: After the press conference, while Emily, Rossi, and Derek are standing beside the SUV, when Captain Lancaster walks over to them we can see the four chalk T-marks on the ground where they all stand.
Visible crew/equipment: After Prentiss and Morgan catch Eric and his girlfriend in the park it cuts to Prentiss and the girlfriend in the interrogation room, and as the camera tracks backward from the door's window we can see a nice reflection of the moving camera and also a crew member standing behind Hotchner.
Chosen answer: Back in Target Rich, a hitman named Giuseppe Montolo dies whilst being interrogated by Derek. The men who abducted Derek were hired by his father, Chazz, who seems to blame Derek for his son's death. It's explained further in A Beautiful Disaster.
Annabel Keeley