CASSVILLE, Mo.—John Forsyth was known as a hard-working doctor who cared deeply for his patients and often teased nurses in the emergency room to ease tension. He was a father of eight and newly engaged. He also co-founded a cryptocurrency business with his brother.
His sudden disappearance from a southwestern Missouri town last month—and the eventual discovery of his body in an Arkansas lake—has led many to wonder what happened to the man who seemed happier than he’d been for some time. A lack of information from law enforcement has only deepened the mystery, prompting amateur sleuths to espouse theories on Facebook….