The 33 year old from Essex, enters the Big Brother house as one of the 16 housemates who will do battle with each other over the summer to win the Big Brother crown.
However, his presence in the house has alarmed Scotland Yard bosses over fears that the ongoing investigations may be put at risk if he discloses any information.
As the show launched last night a spokesperson for the Met said they had contacted Channel 5 bosses “to make them fully aware of potential risks”.
A spokesperson for the station insisted it had procedures in place to avoid any legal blunders.
But Peter Saunders, of the National Association for People Abused in Childhood, insisted the ex-cop’s appearance was “distasteful”.
Speaking to the Daily Star ahead of his Big Brother debut, Daniel Neal said, “What’s the problem? It’s not like I’m going into some porno industry.
“It’s a game show at the end of the day. I don’t see how it would affect the image of the police.
“I’m not going to make a tit of myself. I don’t want to embarrass myself, let alone the police service.
“So I honestly don’t think it should have any impact on the investigation.”
Revealing that he applied for Big Brother while still in the police force, Neal added, “I think there will be some concern within the police, but ultimately I wouldn’t want to jeopardise a lot of the work I did with victims in the last eight months.”