https://en.wikipedia.org/wiki/Computer_Fraud_and_Abuse_Act
Yes it is a federal crime, but was recently limited by https://en.wikipedia.org/wiki/Van_Buren_v._United_States
Yes it is a federal crime, but was recently limited by https://en.wikipedia.org/wiki/Van_Buren_v._United_States
"This section does not prohibit any lawfully authorized investigative, protective, or intelligence activity of a law enforcement agency of the United States, a State, or a political subdivision of a State, or of an intelligence agency of the United States."