North Korea seems ` ` not as stable as we thought , '' one analyst says . Some analysts warn a provocative move like a missile or nuclear strike could follow . Jang Song Thaek was married to Kim 's aunt , was the head of the top military commission . But exactly what is going on inside the notoriously opaque North Korea regime remains as murky as ever . North Korean state media reports Jang was tortured and executed .
North Korea seems ` ` not as stable as we thought , '' one analyst says . Some analysts warn a provocative move like a missile or nuclear strike could follow . Jang Song Thaek was married to Kim 's aunt , was the head of the top military commission . North Korean state media reports Jang was tortured and executed .