Police and fire investigators who looked into the rapper Kid Cudi’s allegations and a celebrity stylist who said he witnessed several assaults testified Wednesday in the third week of Sean “Diddy” Combs’ federal criminal trial.

Kid Cudi, whose real name is Scott Mescudi, was called as a witness by the prosecution. Mescudi, the "Pursuit of Happiness" rapper, was once in a brief relationship with Combs' ex, Casandra "Cassie" Ventura .

From federal raids to gruesome details of Cassie's alleged abuse, witnesses at Diddy's trial paint a scary picture.

Diddy’s ex and mother of his son Justin Combs, stylist Misa Hylton, attended the first two days of the trial. She later clarified on social media that she was there to support their son because he told her, “Mommy I need you.”

This is a free article for Diddy on Trial newsletter subscribers. Sign up to get exclusive reporting and analysis throughout Sean Combs’ federal trial. U.S. government prosecutors spent much of today attempting to back up testimony from key witnesses like Kid Cudi,

Deonte Nash, a stylist for Sean Combs and Cassie Ventura Fine, said he saw Diddy beat Cassie and control her life and work.

Sean “Diddy” Combs’s federal sex-trafficking trial continues on Day 11, with LAPD, LAFD, stylist Deonte Nash and alleged victim Mia expected to testify.