Terrifying tales of wicked workers and tips on how to avoid them.

When you run a small business, it’s not always easy to find employees who can cover the range of skills you want at the salary available,” explains Missy Rule, the owner of a small Midwestern shipping company. For example, when seeking an administrative assistant, she needed to hire someone who could also help with receptionist duties, accounting, invoicing and filing.

Late last summer Rule thought she had found a reliable hire in Abbie Normal (names and identifying details have been changed throughout this article), who was “very capable, smart, quick and learned really well.” Rule checked references, and a background check came back clean.

Read complete story at CNN Money.