His next fare was already in the cab , and Gamboa told the passenger , `` Look sir , you are my witness . NEW : Unidentified gambler who left $ 300k in cab is a famous professional , age 28 . NEW : ` I'm not sure if this guy was an actual pro or just some random person with money to burn' Comment: , that 's it , '' cabbie tell KLAS . NEW : Gambler was devastated at his absentmindedness , cab firm official says . NEW : ` ` They call us sin city . But it 's not . It 's angel city , '' cab driver says .
NEW : Unidentified gambler who left $ 300k in cab is a famous professional , age 28 . NEW : ` I'm not sure if this guy was an actual pro or just some random person with money to burn' Comment: , that 's it , '' cabbie tell KLAS . NEW : Gambler was devastated at his absentmindedness , cab firm official says . NEW : ` ` They call us sin city . But it 's not . It 's angel city , '' cab driver says .