Mark Sheperdigian, an entomologist with Rose Pest Solutions, is featured in this news video from a local Detroit TV station.

"The products we have today, the bed bugs show a great resistance to which means it doesn't work as well, doesn't kill them as quickly, if it kills them at all," Sheperdigian said. "Clearly the bed bugs have changed from what they were before and they have continued to change and it's our job to get in front of them."

Click here to watch the video.