There’s a right way and a wrong way to trade options. The right way involves risk of capital loss. The wrong way risks loss of life, limb and/or freedom. Clearly, the latter is a more interesting read.

A U.S. federal court has convicted a Dubuque, Iowa man of sending near-complete pipe bombs to investment managers, demanding that they raise the bid prices of certain securities by a given date.

Failure to comply, he threatened, would result in fully functional pipe bombs being sent to their family members.

Fortunately, the SEC’s Large Options Position Reports showed only one account would benefit from the demanded movements in the specified securities. John Tomkins, a machinist, was arrested and found in possession of additional pipe bombs and equipment to make more.

Read the full story on Forbes.com.