In the 1990s and 2000s, Sean “Diddy” Combs reigned over American hip-hop. He produced chart-topping albums, launched an influential record label, recorded hit songs, inked lucrative branding deals and catapulted hip-hop into a worldwide cultural force.

A rundown on what Sean "Diddy" Combs has been charged with, and how much jail time he could face if convicted.

Sean "Diddy" Combs, the rapper and music mogul who discovered world-famous artists and helped bring the genre into the mainstream, went on trial in New York on Monday on charges that he ran a two-decade racketeering and sex trafficking conspiracy.