According to CBS News reports, the man who shot three police officers dead and injured three others in Baton Rouge has been named as Gavin Eugene Long, a black man from Kansas City who killed shot 6 people on his 29th birthday. 29-year-old Long was a former Marine who was honorably discharged after achieving the rank of sergeant, before becoming a life coach and self-styled ‘Alpha-preneur’ under the name of Cosmo Setepenra,