Police VIP Protection Unit are criminals themselves?

It certainly looks like the VIP Protection Unit consists of a bunch of thugs with criminal intent. Either that or they are simply incapable of differentiating between possible harm to their charge and a simple citizen.

"During the past four years, 111 members of the police's elite VIP Protection Unit - responsible for protecting the president, among others - have been charged with crimes such as murder, attempted murder, rape, armed robbery and the abuse of power."

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