I have discovered some new evidence.
The first email was received at 8:20am on Tuesday morning. According to my sources, Chad Leatherland is the only person in our area who logged into mail.gmail.com between 8:00am and 9:00am.
Chad had the means, and the opportunity. His motive is either to inflict terror (which would make him a terrorist), or for financial gain.
Know this - I do not negotiate with terrorists! Return the monkey unharmed and I will go easy on you!