History Channel star Mitchell Guist, who appeared on Swamp People alongside his brother and passed away following a fall from his boat, died of natural causes.

So states the official autopsy for Guist, E! News confirms, though Sheriff Mike Waguespack of the Assumption Parrish Sheriff's Department in Louisiana says "more details will be released when the final report is made" in four to five weeks.

Posted in: R.I.P.