And they say their evidence of allegations that led to him being sacked from The One Show and Match of the Day is strong.
One BBC insider close to the internal probe said: "He really doesn't have a leg to stand on.
"He has done some things that are incompatible with our values and what we think is appropriate in the workplace. It's a clear abuse of power and there's no room here for anything of that nature. This is not just a flirty text which might get you a b*****king, he was completely over the line and we have absolute evidence of that."
Sources said Jenas is not expected to claim he has been unfairly dismissed, despite his insistence there are "two sides to every story".
The 41-year-old s allegedly sent "suggestive" texts to staff on The One Show. Those who have seen the messages, believed to have been sent by the former Spurs footballer to at least one runner on WhatsApp, said they were "horrified" by the content.
Dad-of-four Jenas was yesterday C seen wearing his diamond encrusted wedding ring. He did not say a word when he came and went from his home yesterday in a black Audi.
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