Taking to social media, one fan said: "Here is my theory if it's Nate in the lake, John killed him and then Mack finds out that's why he is running for his life in the woods as John wants to shut him up, but this is if #Emmerdale go this way, it would explain a lot about John if he is a killer.".
Viewers are now predicting John murdered Nate in September and hid his body in the lake, and that another character faces a similar fate.
Now, the discovery of the body has left them convinced he never left and may have been killed by John Sugden.
As her fate remains up in the air, fans are predicting the body will be identified as 'missing' Nate Robinson.
But now fans are convinced Mack will uncover the truth about Nate's possible demise, with the pair being close friends.
