Croyle was cruising around on his family's boat far from shore when they happened upon another vessel with its flag up, indicating there was someone swimming nearby. Croyle and his crew stopped out of caution, but didn't see anyone having a swim. At first, anyways.
"After looking around for a few seconds we spotted a fawn swimming with its head just above water," Croyle told The Dodo. "After watching the fawn for a short time, it seemed clear that it was exhausted and could not find its way back to land."
With that, Croyle did what any quick-thinking hero would do — he leapt in to save the day.
Here's video of that moment: