A former deep-sea treasure hunter who made one of the greatest shipwreck discoveries in American history and spent the past decade in prison after refusing to disclose the whereabouts of some of its missing gold coins is now free, federal records show.

More than a decade after it was found, a centuries-old Spanish treasure ship worth billions remains nearly untouched on the seafloor while Spain, Colombia, Indigenous groups, and American booty hunters wage a bitter international legal war.