Following comments in this episode about sending DEA agent Hank "on a trip to Belize" - meaning murder him - the Belize Tourism Board actually offered free vacations to Vince Gilligan and eight of the shows's cast as PR stunt to help confirm the Central American country's image as a safe spot for tourists.
If you look closely you can see that the soles of Lydia's shoes are crimson red; a metaphor for her ruthless nature to approve of murder while still trying to avoid seeing it.
Louis Ferreira and Michael Bowen starred together in episode called "Dragonswing (1993)" of the the TV show "Kung Fu: The Legend Continues (1993)."