However , in episode 198 , Dex goes to check on Alexis and finds Sean holding her at gunpoint .
When it turns out to be Harry Thresher , Dex assures Alexis that no one could have survived the explosion .
In episode 198 , Dex goes to check on Alexis and finds Sean holding her at gunpoint .
When it turns out to be Harry Thresher , Dex assures Alexis that no one could have survived the explosion .