It certainly is. Each country spies on the citizens of the other countries, when requested, to avoid breaking local laws.
It certainly is. Each country spies on the citizens of the other countries, when requested, to avoid breaking local laws. [Here's a six year old article on the US spying for the UK.](https://www.theguardian.com/world/2013/nov/20/us-uk-secret-deal-surveillance-personal-data)
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