Bob Heuter, chief scientist at Ocearch, has been studying sharks for more than 50 years. "I doubt that shark was really going for the person because they simply don't do that," Heuter said. While unconfirmed by officials, Heuter suspects the diver may have been spearfishing. For more: https://www.wtsp.com/article/news/local/manateecounty/man-shark-attack-anna-maria/67-1ca03cde-b586-46b3-ba51-f636110c080f ►Subscribe: https://on.wtsp.com/youtube ►Website: https://www.wtsp.com/ ►Facebook: https://facebook.com/10TampaBay ►Twitter: https://twitter.com/10TampaBay