The title of the episode, "Sin Salida", literally means "No Exit" in English. However, it is also possible that it really refers to "No Escape".
When Salcedo is shown assembling his Uzi the markings 'Glethcer UZM' are seen. The Gletcher UZM is an Uzi replica which fires .177 cal pellets and is powered by CO2 cartridges.
"Sin Salida" means "No way out".