By end of the week, a jury is expected to be seated in the federal sex trafficking trial of Sean “Diddy” Combs. It’s a stunning turn of events for the once kingmaker in music, a man who reached billionaire status as a rapper, producer and entrepreneur.

Disgraced rap mogul Sean “Diddy” Combs’ trial began Monday with jury selection, shortly after the rapper formally rejected a plea deal on his five federal charges, which include racketeering and sex trafficking. (Here is a complete list of the allegations against Combs).

The jury is nearly in place for Sean "Diddy" Combs' federal criminal trial after a colorful selection process but the prosecution's case against the rap mogul may have been dealt a blow as the feds admitted that one of the four key witnesses set to testify in the New York federal trial may not turn up to take the witness stand.