Country which has nuclear technology which was stoled from the Netherlands. Mr. AQ Khan was working at one of nuclear plant in Holland and from there nuclear rector desing was stolen by him and then he became big daddy in Pak.
So, how can you trust them. R&D requires money, which do not have. So, there is no question they developed it. Morever, more than half of the country is involved in terrorism - how is it possible to have man power free for R&D?