Local authorities released a report Wednesday explaining how fireworks were shot into the crowd at last year's July 4 Stadium of Fire event.

In the boxes shown in this Maui Police Department photo are black mortars used to shoot off aerial fireworks. Fireworks were also being mailed in boxes. The pictures were part of a slide ...

These all-in-one fireworks boxes contain multiple shots that fire in sequence, offering a professional-style show with minimal setup and maximum impact. Sparklers, smoke bombs, and ground spinners ...

In the middle of the fireworks show at LaVell Edwards Stadium ... The 36 shots in the box were fused in a chain, meaning once the first was ignited, all 36 would go off. Each shot is contained ...