They got lost when they agreed to smuggle in those drugs. 

They got lost when they said a gun was held to their heads.

These gangsters were gentlemen too then? As they did not even touch them OTHERwise 

As a last resort we must remember to say that a gun was held to our head ... JOB DONE!!! 

Then after that incident they would have NO oppertunity to escape or say anything, or even leave a note in their cases, or at the airport toilet, (scribble a note on the toilet door) or anywhwere, a whisper in someone's ear even?  No! infact nothing?

For some as most know they and many others are dealing out death here.

These gangsters