El arracadas

(as María Teresa Álvarez)

(as Umberto Elizondo)

(as Pedro Muñoz 'Chihuahua')

(as Arturo Martínez Jr.)

One of the villains is shot in the head, but the bump covering the squib is clearly visible before the shot. The actor moves his head sideways instead of going backwards, clearly showing the wire that activated the blood squib. hidden under the hat.