NEW : Man said to be Edward Snowden claims Obama has a chance to `` return to sanity '' NEW : NSA chief says he is not spying on Americans and will release more information about the program in coming days. Snowden , who is believed to be in Hong Kong , also wrote that the truth about surveillance programs he disclosed will come out , and `` the U.S. government is not going to be able to cover this up by jailing or murdering me . '' Purported Snowden blog post says any possibility of a fair trial has been destroyed . Another post says Obama `` deepened and expanded '' abusive security programs .
NEW : Man said to be Edward Snowden claims Obama has a chance to `` return to sanity '' NEW : NSA chief says he is not spying on Americans and will release more information about the program in coming days. Purported Snowden blog post says any possibility of a fair trial has been destroyed . Another post says Obama `` deepened and expanded '' abusive security programs .