You can guess where territorialism, gossip, or backstabbing comes from.

FORBES: Backstabber Alert! What To Do When Someone's Out To Get You at Work

Mr Mendonca de Barros claimed that the officials were the victims of political backstabbing and industrial espionage.

ECONOMIST: Crossed lines in Brazil

We know that politicking and backstabbing exists in the workplace.

FORBES: Backstabber Alert! What To Do When Someone's Out To Get You at Work

Although the IMs did not offer any evidence to support the claim of theft, according to sources who have seen many of the messages, the IMs portray Zuckerberg as backstabbing, conniving, and insensitive.

NEWYORKER: The Face of Facebook

Mr Field's apology may, perhaps, suggest a just-in-time realisation that bickering and backstabbing are a sure path to oblivion.

ECONOMIST: Bagehot

Mean Girls at Work: How to Stay Professional When Things Get Personal is the latest title from Katherine Crowley and Kathi Elster, the authors of Working With You Is Killing Me, and the authors say they were just as conflicted as I was to take on the issue of backstabbing, bullying and plain old bitchiness at work.

FORBES: The Seven Meanest Girls At Work