The prisoner was among convicted ring members jailed in 2019 over the gruesome killings of two young Scandinavian women, Louisa Vesterager Jespersen from Denmark and Maren Ueland from Norway. They were killed in December 2018 while on a backpacking trip in the Atlas Mountains, near the city of Marrakech.
An ISIS-affiliated Moroccan man who was jailed for beheading European hikers killed himself in prison. (Fox News)
The killings were recorded on video and posted online. They sent shockwaves through Morocco and raised concerns about the growing threat of Islamist extremism in North Africa and beyond.
A Moroccan court convicted three men of terrorism and sentenced them to death, and a fourth suspect who fled the scene was given life in prison. The court also handed jail terms to 19 people convicted as accomplices.