McClelland added , `` from the voice in the video , there 's not a lot you can do until you have something to compare it to , and that 's in the hands of the intelligence services . '' Linguists say the man is probably from southern England or London . The man was found in a field near his home on Monday and taken to hospital for treatment. He may have been influenced by a multicultural environment . Experts can use software to match pitch , intonation , intensity to another voice .
Linguists say the man is probably from southern England or London . The man was found in a field near his home on Monday and taken to hospital for treatment. He may have been influenced by a multicultural environment . Experts can use software to match pitch , intonation , intensity to another voice .