On this day, April 11, in hip-hop history...

2006: Proof of D12 was killed in a gunfight in his native Detroit. According to reports, the friend and frequent collaborator of Eminem was shot four times at the CCC Club on 8 Mile Road by Mario Etheridge. The shooting took place after an argument broke out during a game of pool between Proof and Etheridge's cousin Keith Bender. The Detroit rapper's funeral took place the next day and found close to 3,000 people in attendance, including Eminem and Royce Da 5'9".

During his career, Proof released two solo albums, 2004's I Miss the Hip-Hop Shop and 2005's acclaimed Searching for Jerry Garcia. He also contributed to his group D12's two studio albums, Devil's Night and D12 World. He is survived by his wife Sharonda Holton and his five children.