 My producer Bianca and I started to walk down the stairs from the riser just to grab our laptops when we suddenly heard those loud cracking pops that are now so familiar from that video we've been playing over and over again of that devastating moment. We, like many of the people that we interviewed afterwards, initially thought it might be fireworks. You know, sometimes former presidents' events have pyrotechnics. But when those sounds kept going and then when Mr. Trump stopped speaking,