I went through Sydney domestic security yesterday and saw random testing at its best. Some guy had gone through the scanner and had been stopped for the swab test which came out negative. He sat down to put his shoes back on then stood up to walk off only to be accosted by another tester for another swab test. This second testing officer wouldn't take no for an answer either.
Would that person have been within their rights to tell the second tester to stick it where the sun don't shine as he had already legally complied with the requirements?