Sep 24, 2015  · Ghost Adventures’ Mark and Debby Constantino Found Dead in Apparent Murder-Suicide. Sep 24, 2015 10:23 AM EDT. Mark and Debby Constantino, who star on the Travel Channel series Ghost Adventures. NEW YORK (June 21, 2018) – The return of Travel Channel’s popular series "Ghost Adventures" kicked off with an all-time ratings high for the series – and the network. The 9 p.m. ET/PT season premiere. Browse the…