The correct answer is True.
Step-by-step explanation
Edward Snowden is a former employee of the National Security Agency of the United States (NSA) and the Central Intelligence Agency of the United States (CIA) that became popular worldwide after publishing classified American intelligence files in the United States. which indicated the filtering of communications of several telecommunications companies, as well as the filtering of computer information on the internet. After this, in 2013 Edward Snowden was temporarily welcomed under political acyl in Moscow, Russia. So, the correct answer is True, Edward Snowden was a former employee of the National Security Agency who released documents online that detailed NSA programs that monitored virtually all telephone, instant messaging, and email traffic in the United States.