Fido can pick up the smell of TNTvapor at concentrations of just a few parts per trillion, and it was the first sensor to find buried mines at a level comparable to dog performance, with a false-alarm rate of less than 5%.

FORBES: A Nose For Bombs

But with improved protection from equipment such as ski body armor, is there a danger of being lulled into a false sense of security and to attempt something above your ability level?

CNN: Danger on the slopes: Are winter sports safe?

"It suggests a level of criminality which to my mind could easily extend to exploiting criminal connections to obtain false travel documents and leave the country undetected, " he added.

BBC: Megaupload founder denied bail by New Zealand court