But Lisa Weiss, a 40-year-old blackjack dealer, who said she had exchanged 220 messages with Mr Weiner since contacting him on Facebook in August last year, claimed this was not the case.
"I gave him my number and he called me from his office and we proceeded to talk dirty for at least 30 minutes," she told Radar Online.
But Ms Mc Lean said concerns about Roblox highlighted a broader issue."Any app or platform or game that allows two-way interaction between your child and another player is going to have predators on it," she said."And then the risk ramps up when you can have chat.
That's one of the features of this game."I think this is a very important warning for parents to not [just] look at the app or game developer's website.
ACS started investigating Weiner last month after another of his sexting partners shared a picture he sent her of him aroused in his underwear as his young son slept next to him.
The US-developed game Roblox received global attention this month after a British father decided to check out what his sons were playing on their mobile device.
In short, a boy needs to know he can find love outside the home as well as in the home.
Sons are often not just hunting for sex; they are looking for identity. They are seeking affirmation that they have the means to attract a mate.
In a tearful confession during a press conference on Monday night, Mr Weiner, who is facing calls to resign, said he had "inappropriate conversations" with six women over three years via Facebook, Twitter and telephone.
Last week he sent a picture of his crotch to a student in Seattle via Twitter, and accidentally made it public.
If a parent is not going to speak openly with their son about sex, a son will cobble together his own understanding from sources that may not be appropriate.