Parents of a US humanitarian worker killed by the Islamic State begged for her life in emails to her captors, a court has heard.
Kayla Mueller, 26, was one of several people who died at the hands of a Syria-based IS terror cell dubbed the Beatles due to their British accents.
On Tuesday, her mother Marsha spoke at the federal trial of El Shafee Elsheikh, 33, known as “Jihadi George”.
