The conviction stems from Hassan’s public support for ISIS, his attempts to travel to Somalia to join the group, and the discovery of bomb-making instructions on his cellphones. Direct messages with an ISIS media wing . Arrest and Official ResponseIn February 2025, Hassan posted videos of himself, one briefly showing an unfolded buck-style knife and another showing him holding a homemade black ISIS flag while driving his car. Agents seized two cellphones, the folding knife, and the homemade black ISIS flag from his vehicle. “Hassan flew the ISIS flag, venerated attacks on the homeland, and wanted to kill Americans.