Inside The Mysterious 2013 Death Of Patrick Mullins From Netflix's Unsolved Mysteries

According to the "Unsolved Mysteries" episode exploring Mullins' death (via Newsweek), there were also no signs of blood or blood splatters found in Mullins' boat, which is highly unusual if Mullins did in fact kill himself with a shotgun. What's more, Mullins, who was missing for several days prior to his discovery, showed few signs of decomposition and little evidence his body was scavenged by wildlife in the shark-infested waters of Tampa Bay (via Bay Soundings). 

There are several alternate theories about what actually happened, but not enough actual evidence to support any of them. One theory postulates that Mullins witnessed illegal activity while boating that day, and was killed to keep it quiet. Unsolved.com explains that Mullins' arms were found free, which could possibly explain how he tied himself to the anchor, though the shotgun blasts are also unconfirmed, and there's no evidence that Mullins ever purchased a gun. 

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