 Looks like he held a female hostage at gunpoint and threatened suicide by cop. Fustner also threatened to shoot up a firework show somewhere in West Yellowstone or Montana. The 28-year-old worked for Zantera, which owns lodges and restaurants in Yellowstone and other national parks. The FBI is leading an investigation with help from the park and local offices. For KUNR News, I'm Tom Streckel. It's 7.07.