Sex toys, body lotion and massage cushions were not the kind of delivery Aleksandr Suranovas usually handled. "What?" he messaged, when he was sent a photograph of the items he was being asked to post in four parcels from Lithuania to the UK and Poland. "It's what they need, and they're offering regular work," the response came over the messaging app Telegram. The pay was decent: €150 (£130/$173) for a couple of hours' work, so Suranovas agreed. "If that's what's needed, fine by me," he typed back. But each parcel contained a sophisticated incendiary device. The tubes of cosmetics had been re-filled with a liquid high explosive called nitromethane and the ignition devices were so well hidden inside the cushions even an airport scanner didn't detect them. Suranovas maintains he had no idea of this. When he was handed the items in a Vilnius park in July 2024 the timers inside were already counting down.…