In 2009 his gravestone has been shot by unknown parties.

Never divulge personal or financial information to any unknown party.

No one should provide personal financial or account information to unknown parties.

Now, tell us about these serious charges you have brought against some unknown party.

The key seems to lie in the unknown party who sent the robot.

The remain 40% economic rights was held by unknown parties.

His work has since been removed by an unknown party.

The police felt she had just run off for a romantic rendezvous with an unknown party.

All but $43,000 was then paid on to unknown parties.

The translation into English was done by an unknown party and is not identical to the original.