Länderberichte
President Obama spoke in blunt terms about the “mix of human and systematic failures that contributed to this potential catastrophic breach of security”, and promised “accountability at every level” . In interviews, government officials and others have started to provide an account of how various agencies had gleaned bits and pieces of information about the young Nigerian, but failed to put them together to disrupt the plot. In Washington, the blame game has begun.
Whole article in the pdf above.