The Rest Is Classified 126. Al Qaeda’s Deadliest Plot: The Terror Attack That Never Happened (Ep 2)
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Feb 11, 2026 An inside look at how MI5 covertly surveilled an East London bomb factory and captured audio-visual evidence. The story covers bomb-making techniques using hollowed batteries, dyed liquids and improvised initiators. It follows links to Pakistan, plans to smuggle liquid explosives onto aircraft, and the chilling scale and coordination that could have targeted US cities.
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Surveillance Provided The Missing Puzzle Piece
- MI5 gained decisive clarity only after covertly bugging and video-surveilling the Forest Road flat.
- Live audio-video revealed bomb‑making steps and the materials being used, tying disparate clues together.
Improvised Small-Scale Bomb Design
- The cell hollowed batteries and used camera filaments as initiators to create compact peroxide charges.
- They disguised peroxide in resealed drink bottles so devices looked like ordinary purchases.
Small Devices, Big Strategic Questions
- The devices were tiny compared with 7-7-style charges and unlikely to cause mass casualties on a train or bus.
- Their small size implied a different target or concealment strategy, raising new investigative questions.