CNN’s Clarissa Ward reports on Debra Tice’s search for her son, Austin, who was taken at a regime checkpoint in Syria in 2012 and disappeared in the prisons of dictator Bashar al-Assad.

Debra Tice has spent more than 12 years searching for her son, Austin Tice, a Marine veteran and journalist who was kidnapped in Syria in August 2012. Through four presidential administrations, she ...