Here is another PR piece from DEN.
The "reporter" says:
The ultimate goal is to detect drugs, weapons and other potential threats a person may carry on their body. On the day 9NEWS visited with the TSA, a man scanned in the WBI was caught with three bags of marijuana. Bassett says new techniques, and in this case technology, has allowed TSA to evolve since its inception following the attacks of September 11, 2001.