They are either the heroes of the office — safeguarding the hygiene of the fridge and diligently reporting any wrongdoing — or irritating snitches, depending on your viewpoint.

More than half of workers have encountered a “dark knight employee” at some point in their career, a study indicates.

Researchers from the University of Toronto and the University of British Columbia found that 18 per cent were working with one of these office vigilantes and that 58 per cent had known one during their career.

Via thetimes.co.uk