CLEAN : Terror expert calls Frenchman in IS video dangerous

The transcript discusses Mr. Santos, who converted to Islam and became radicalized through the Internet. It highlights the threat he poses to national security and the government's responsibility to address terrorism. The challenges in identifying jihadists, who come from various social classes, are also discussed. The significance of appearing unmasked in videos is explored, indicating a willingness to die for their cause.

What does the text suggest about the potential for violence from radicalized individuals?

What implications does the unmasked appearance of the young man in the video have?