. >> andrea berkman is shopping for sparklers with her 5-year-old son when she notices a man who appeardrunk holding a beer bottle in the back of the tent. suddenly she hear the crackle and hiss of a lit fuse. >> we had heard some of the -- [ hiss ] and then kaboom. had it gone through the roof, it would have been wonderful, but it didn't go through the roof. it bounced back down off the top of the roof and it was a domino effect from there. >> the lit firework sets off a chain reaction. in an instant, a rainbow of explosions fills the tent and the night sky. andrea berkman and her son are caught in the crossfire. >> and you know, my son, he turns around to see where mommy is. and i looked at him. he goes, mama, mama. i said run, run as fast as you can. >> andrea and her son escape before the tent lights up, but the unintended fireworks display is just beginning. >> at one point the fireworks were going 40, 50 feet up in the air. then as the explosion started to get bigger, it started to rip the tent apart. >> firefighters arrive and use water cannons to put out the blaze, extinguishing

andrea berkman and her son are caught in the crossfire. >> and you know, my son, he turns around to see i looked at him. he goes, mama, mama. i said run, run as fast as you can. >> andrea and her son escape before the tent lights up, but the unintended fireworks display is just beginning. >> at one point the fireworks were going 40, 50 feet up in the air. then as the explosion started to get bigger, it started to rip the tent apart. >> firefighters arrive and use water cannons to put out the blaze, extinguishing the last batch of exploding fireworks. after 20 minutes, all that's left of the galaxy fireworks stand is a mangled frame. >> i went back to the scene, and when i arrived, there was some smoke lingering and there was fire cartridges still on the tables like everything was for sale, that had gone off and it was just all burnt cartridges sitting there. >> it turned out that the man who appeared drunk was responsible for the blaze. tony glen rogers is convicted of first degree arson and sentenced to 3 1/2 years in prison. $70,000 worth of fireworks go up in smoke. >> the job that i