He passed away from lung cancer at age 43.
http://www.f4wonline.com/more/more-top-stories/118-daily-updates/31476-garza-passes-away-from-lung-cancer-at-43
http://www.f4wonline.com/more/more-top-stories/118-daily-updates/31476-garza-passes-away-from-lung-cancer-at-43