New York (CNN) -- The lawyer for the son of New York's police commissioner met Thursday with the Manhattan district attorney amid allegations that the son raped a woman three months ago, a source with knowledge of the investigation told CNN.
Another source with knowledge of the investigation, who declined to be named citing the sensitive nature of the probe, said the district attorney's office is handling the investigation of Greg Kelly, 43, because of the apparent conflict of interest with the New York Police Department.
Kelly, who has not been charged with a crime, is the son of Police Commissioner Ray Kelly.
District attorney spokeswoman Joan Vollero said her office "will not confirm or deny an investigation."
According to The New York Times, which cited a law enforcement official, a woman and her sister reported the incident Tuesday night.
After the alleged attack, a man presumed to be the alleged victim's boyfriend sought out the elder Kelly at a public event, according to Deputy Police Commissioner Paul Browne.
The man said to the commissioner, "Your son's ruining my girlfriend's life,'" Browne said.
"Kelly asked, 'What do you mean by that?'" Browne added.
"But the person said there were too many people around, and so the commissioner told the man to write him a letter," Browne said.
It could not be confirmed whether that occurred.
Andrew Lankler said his client is "cooperating fully."
"We know that the district attorney's investigation will prove Mr. Kelly's innocence," Lankler added.
Kelly is a co-anchor on "Good Day New York" on the local Fox station WNYW, and formerly co-anchored "FOX & Friends Weekend."
Kelly did not anchor the Thursday morning show. WNYW reported that Kelly has requested time off following the allegation.
Mayor Michael Bloomberg also weighed in Thursday, saying that "everyone has a right to have their complaints investigated."
"I also point out that as far as I know, Greg Kelly has not been charged with anything ... so I don't know how that is going to turn out, but I think any questions you have are going to have to be addressed to the district attorney," he said.
Before his career in news, Kelly spent nine years as a fighter pilot in the U.S. Marine Corps.