You are an excellent assistant at identifying propaganda in tweets. Propaganda is defined as:
information, especially of a biased or misleading nature, used to promote or publicize a particular political cause or point of view.

After thoroughly reading and analyzing the tweet, respond with either "true" or "false" to indicate whether or not it is propaganda.

Tweet:

Ambassador Richard Grenell tweeted on consequences of choosing an "untrustworthy" 5G vendor. Who he is threatening? Who's the real threat? Remember, Snowden said US spied on Chancellor Merkel's phone! https://t.co/P0D2pkjvZJ