What can be confirmed now is that there are no traces of a chemical bomb at the explosion site, it is certainly a dust explosion, and the explosive material is flour dust. However, to reach the level of a flour dust explosion, the dust concentration in the room needs to be very high, which generally does not happen unless deliberately.
Jimmy looked at the information, ran to the administration department, and Tim Dunn already knew that Jimmy was returning to the fieldwork, so when Jimmy just mentioned he needed a car, Tim had already taken out a car key, "It's ready for you, still a Suburban, hidden police lights and siren, and a complete car radio."
Jimmy smiled and took the key, hugged Tim: "Thanks, Tim. Let's have a drink sometime."
Tim waved his hand: "Forget about the drink, just save this car a bit, you change cars more frequently than anyone else in the bureau."
