Through the course of three weeks of testimony in the trial of Sean “Diddy” Combs, one man has loomed large even as he remains locked up in a prison, more than 2,500 miles away. That man is Marion “Suge” Knight, the rap impresario who was viewed by many as Combs’ chief competitor at the peak of Combs’ prominence atop the hip-hop world.

R&B singer Cassie Ventura, the ex-girlfriend of Sean "Diddy" Combs, gave birth to her third child two weeks after serving as a key witness for the prosecution in the hip-hop mogul's sex trafficking trial.

The second week of Sean Combs' sex trafficking and racketeering trial featured a dozen witnesses who described the music mogul's physical attacks on others or who provided testimony addressing the government's charges.

A former employee of Sean “Diddy” Combs concluded her testimony Monday afternoon after three days on the stand at his federal criminal trial, during which she recounted multiple alleged instances of physical,

"Because when he was happy, I was safe," Mia answered. Want to keep up with the latest crime coverage? Sign up for PEOPLE's free True Crime newsletter for breaking crime news, ongoing trial coverage and details of intriguing unsolved cases.