About Ghost Hunters Season 0, Episode 6 :

Commonly referred to as the "Black Hole," Fort Delaware was used during the Civil War as a POW camp that housed over 33,000 Confederate soldiers. Ravaged by epidemics and torture nearly 2,400 failed to escape and died on the island. The restless spirits have never left. Join the exclusive seven-hour hunt from home with access to thermal imaging camera feeds and live Q&A with TAPS team members and host Josh Gates. Watch carefully for anything out of the ordinary — you'll be able to send instant alerts of any sightings you make straight to the Ghost Hunters!