"For every scorpion that you do find, there are a lot more hiding that you are not able to see," Devin said. "They will usually travel along electrical lines." Even closed doors... "They only need one-sixteenth of an inch which is about the width of that guy right there (credit card)."Darren Desylvia, whose home Bulwark was treating as CBS filmed, believes scorpion control efforts will pay off this year, and that his family will no longer have to live in fear of these stinging, malicious pests. Bulwark was happy to help.