Originally Posted by
invisible
What was this, how long has this practice been in place, and what purpose does it serve?
The dogs sniff for explosives. As to the purpose it serves… pretty much the same purpose as the rest of the “security” operations.
Originally Posted by
invisible
Another observation is that these body scanners are not in operation any more, everyone goes thru a plain old metal detector, and you don't need to remove your toiletries and shoes.
Sometimes they seem to open the metal detectors instead of the body scanners (to quote: “pretty much the same purpose as the rest of the ‘security’ operations). An hour later, they might have swapped everything around.