"Swamp People" star Mitchell Guist was testing out a new houseboat he was building at the time of his death... a dream project he had worked on for months... and now one of his co-stars has vowed to finish the job as a last tribute to the fallen…
Mitchell Guist -- one of the bearded alligator-hunting brothers featured on the reality show "Swamp People" -- has died. According to WBRZ.com, Mitchell was discovered at 9 AM in St. Martin Parish, Louisiana. Law enforcement sources tell us...…