The bear that was killed with their remains in it's stomach was possibly not the bear that killed them.

They sheriffs said the camp site was not torn up at all like from a bear attack.

Oh and the audio recording of him getting eaten is fake. It's just a reenactment

https://katmaibears.com/timothytreadwell2.htm

"However, when major film companies like the BBC came to create documentaries that would educate millions, Timothy disrupted their filming by yelling and charging up and down streams to scare away the bears."