As Alberta's private security industry surges, what happens when guards behave badly?

Last September, Bert Skeete decided to visit West Edmonton Mall. 
The Mississauga, Ont., resident was vacationing in Edmonton and planned to explore the famous shopping centre on one of his afternoons in the city.
But instead of leaving with shopping bags, the 79-year-old was lifted up and carried from the property by two mall security guards whom he says misidentified him as a shoplifter. 
Skeete, a former security guard himself, was so upset by how the guards treated him that he left