Days after Derek Sink’s body was discovered in a Planet Fitness tanning bed, his mom shared more about her son and what may have led up to the moments before his death.

This one has authorities scratching their heads. A man who was reported missing was eventually found three days later, deceased inside a Planet Fitness tanning bed. Here's what we know. The deceased man, 39-year-old Derek E. Sink, was last seen on Friday, Nov. 8, by family members and reported missing on Sunday, Nov. 10.

Derek Sink, 39, was found dead in a tanning bed at a Planet Fitness gym in Indianapolis, three days after he was last seen entering the building, before being reported missing