On April 8, Ibrahim Kayumi, 19, and Emir Balat, 18, were indicted over an ISIS-inspired attack outside New York’s Gracie Mansion. The immediate headlines focused on the failed devices themselves. But the more revealing detail may lie in what investigators uncovered afterward. Federal prosecutors say the pair traveled from Pennsylvania to Manhattan on March 7, 2026, carrying improvised explosive devices packed with TATP, fragmentation material, nuts, bolts and screws. Dashcam footage from inside