Factual error: On the radar screen, a flight, SAA332 is seen. SAA is the icao code for South African Airways, which did not serve any city near Albuquerque in 2009.
4 Days Out - S2-E9
Revealing mistake: There are no water cooling tubes attached to the reflux condensers. Reflux condensers do not condense without cooling. (00:15:40)
Continuity mistake: At the end of the episode when Walt and Jesse are leaving the junkyard, the camera pans to Tuco and Ganzo watching them drive away. However, this is at the same time Ganzo is moving No Doze's body and is subsequently crushed by a car.
Chosen answer: It is part of the ritual for la Santa Muerte. It is a sign of humility and sacrifice.
djm