Rapper Sean "Diddy" Combs ' investigation is ramping up not that he's plead not guilty to a three-count sex-trafficking indictment . He was arrested Monday night and charged with sex trafficking by force , transportation to engage in prostitution, and racketeering conspiracy. The music mogul remains behind bars in New York following his second bail denial and has been placed on suicide watch .

Miami getting rid of 'Diddy Day' following assault video and rapper's lawsuits Michigan inmate wins $100M judgement against Diddy for sexual assault So, what's next for him amid the on-going investigation that also involves unnamed employees and associates accused of conspiring with him? Damian Williams, the US attorney for the Southern District of New York who brought the indictment, was vague about whether Diddy or others could face more charges. “I can’t take anything off the table. Anything is possible,” he said (per CNN ).

“Our investigation is very active and ongoing, and I think a lot of you who cover this office know that when we say such things, that developments are certainly foreseeable, but I cannot predict them sitting here today.” Multiple witnesses who have worked for Diddy in the past met with prosecutors, a source familiar with the federal investigation said. At least one male sex worker is expected to testify in front of the grand jury eventually, according to the source, who added the witnesses’ allegations go beyond the details in the indictment.

Prosecut.