South Carolina rapper Speaker Knockerz (Derek McAlister) found dead Thurday in the garage at his home on Two Notch Road in Columbia. Mesha Wilson the mother of the 19 year old rapper was in distress because she had not heard from her son in days. She took to social media looking for help locating her son. The rapper himself last post on Twitter was from March 4. An autospy revealed no signs of trauma, toxicology results are still pending. The up and coming rapper has not signed with any major record label, but he had 53 videos poster on his YouTube page. He also had 49 downloadable tracks on sale at Itunes. “Dap You Up” is the lastest single from the rapper. He shows his lyrical dexterity over a beat that he produced. Here is a sample of his lyric from “Dap You Up” Got all this ice on my muf—kin watch, I think he mad cause I’m winning and he not/Y ou rappers hot, you better thank Mr. Guwop/ Go steal his flow ’cause if you don’t yo sh– gone flop,” it’s evident that Knockerz was no hip-hop neophyte on the mic. Mesha poster this message “Thank you all soooo much for you outpouring of love and kindness. You have shown my family and I during this extremely diffiecult time. OH MY GOD is all I can say right now. My baby.