A former assistant, psychologist and special agent all took the stand Wednesday in Sean "Diddy" Combs federal sex trafficking trial.

"I knew he had something to do with it," the Grammy award-winning musician tells the Manhattan federal courtroom.

Sean Combs is on trial. From freak offs to a "death threat" described by Dawn Richard, here are the most striking revelations ...

Jurors in Sean "Diddy" Combs' federal sex-crimes trial saw photos of Kid Cudi's destroyed Porche after the alleged explosion.

Cudi is the one-time fling of Combs' ex-girlfriend Casandra "Cassie" Ventura Fine, who testified last week that Combs ...

Kid Cudi, whose real name is Scott Mescudi, was called as a witness by the prosecution. Mescudi, the "Pursuit of Happiness" ...

Kid Cudi testified during Diddy's sex-crimes trial that Cassie told him Sean Combs would "hit" and "kick her." ...

Kid Cudi testified during Sean 'Diddy' Combs criminal trial, alleging that the embattled mogul broke into his house in 2011 ...

Rapper Kid Cudi testified that Sean "Diddy" Combs broke into his Hollywood Hills home in 2011 after finding out he was dating ...

Amid her on-and-off relationship with Diddy, Cassie had a brief romance with Kid Cudi. Here's everything to know about Cassie ...

Kid Cudi testified Thursday against Sean “Diddy” Combs, detailing a Molotov cocktail attack on his Porsche and an alleged ...