Lord Condon said in a statement to the inquiry: "In my view hospitality can be the start of a grooming process which leads to inappropriate and unethical behaviour."
He added: "In any walk of life, hospitality can be appropriate, can be sensible, can be necessary, can be ethical.
"But on the other side of that, it can lead to inappropriate closeness, and in some cases that can lead to criminal behaviour."
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After Roy Hodgson's resignation following England's humiliating exit from Euro 2016, who are the leading contenders to replace him?
The beleaguered Labour Party leader is clinging onto power in the face of as many as 150 MPs voting to remove him from the top job today.
Mr Osborne said he is "not the person to provide the unity my party needs".