| Clue | Source | Date |
|---|---|---|
| Heist film obstacle featuring powerful beams | Universal | 20 Jun 2026 |
| Security system depicted in this puzzle ... that may thwart a 4-Across | New York Times Midi | 25 Apr 2026 |
| Part of a high-tech security system | New York Times | 27 Sep 2025 |
| Modern obstacle course |