Was American Music Mogul Chris Lighty Murdered?

Chris Lighty

American music mogul, Chris Lighty was believed to have committed suicide August 30th, 2012 when he was found dead in his Bronx, New York Apartment with a single gun shot wound to the head.  Speculations were that he (Chris Lighty) who oversaw the careers of music stars 50 Cent, Mariah Carey and P. Diddy killed himself after an argument with his wife.  Reports also pointed to debts with the IRS as reasons why the industry visionary would have taken his life.  

However in a more recent report, Chris Lighty's brother Dave lighty and his family believes otherwise and wants to investigate the circumstances behind his death.  Dave was quoted as saying in an interview, "I feel like there are a lot of unanswered questions and I need answers."  But Dave Lighty and family are not the only ones who feel that way, Rapper 50 Cent also believes there is something more to his death and is helping with the investigations.  Chris Lighty died leaving his wife in full control of his estate.