Your brain teaser is on its way to your Inbox.

You've proven your love of a good murder mystery by requesting this little brain teaser. Check your Inbox in a few minutes for the full story. Don't worry, it's a quick read but a good puzzle.

Step 1:
Check your Inbox for the subject line: [ARMCHAIR DETECTIVES TEST] Can you prove Herman Matthews killed his young wife?
Step 2:
Open the email and read. When you think you've scoured the text thoroughly enough and know the answer, click the button to see the solution.
Step 3:
Click LIKE and SHARE to give your friends a chance to solve DEATH BY GAS