They logged on innocuously and within 2-3 minutes deleted weeks and months of work. Then they said some pretty poisonous but untrue things to some people. Then they proceeded to make a massive scene where the cops had to be called.

That was all in 4 minutes before the scene took place and it cost us tens of thousands of dollars.

Always escort people out after letting them go. You never know what a spurned person is capable of doing.