<h1>CCTV, toll, GPS and mobile data trace accused's expressway movements, stops, overnight car stay, zigzags before fatal vehicle explosion</h1> CCTV and ancillary data reconstructed the accused's movements from Haryana into Delhi via the Delhi-Mumbai Expressway, showing stops at a roadside eatery, an overnight stay in his car, repeated slow driving and zigzag routes across multiple Delhi districts, and prolonged parking near the Red Fort before a vehicle explosion at 6:52 pm that killed 13 and injured more than two dozen. Investigators used footage from over 50 cameras, toll and GPS records and mobile-tower data; DNA from the blast site matched the accused. Authorities report possible radicalization and membership of suspected messaging groups and are examining phone activity for corroborating evidence.