Tigers Declared 'Functionally Extinct' in Cambodia Tigers Declared 'Functionally Extinct' in Cambodia : Discovery News Cambodia to Bring Wild Tigers From Abroad in Fight Against Extinction http://www.nytimes.com/2016/04/07/world/asia/cambodia-tigers.html?_r=0
Tiger trouble in Cambodia Bad news from Cambodia: Tigers Now Considered ?Functionally Extinct? in Cambodia
"The tigers would most likely come from India, though Thailand and Malaysia are other possibilities, Mr. Un Chakrey said. They could be introduced as soon as 2020, he said." Surely Thailand would be the only suitable option, given subspecies distributions? Or are wild tiger numbers too low nowadays to worry about preserving genetic integrity of subspecies?
I'm no geneticist, but being that mainland Tigers had a pretty continuous range from Pakistan to Korea 200 years ago...