I know this is old but I really wanna see what Sherlock makes of it!

[ikchen]

After a forest fire some firemen stumble upon the body of a scuba diver still in her scuba gear. The closest body of water where you'd need diving gear is a few miles away.
Clues:
x The body isn't scorched, while the trees around it are
x Most of the divers bones are broken, but she seems to have died from asphyxiation
x There are some dead fish around the diver