Having to constantly deter loiterers in one’s establishment or in public places can be a nuisance, especially if the loiterers become violent and commit criminal activity around the vicinity. In the recent years, an anti-loitering device called the “Mosquito” has been recently making a buzz. It is a device that emits an irritating high frequency sound that can only be heard by people under 25, obviously targeting teenagers and young adults. But, is it legal to use such device, or does it constitute a human rights violation? How.

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