Which statement regarding surveillance is least accurate?

1. Warrants apply to law enforcement only.

2. Audio capture is permitted in circumstances where video surveillance in also collected.

3. Once the investigator enters the realm of electronic (audio) surveillance, the laws and requirements become more complicated.

4. Generally federal law prevents the interception and/or recording of wire, oral, or electronic communications with certain exceptions, one except is an operator of a switchboard or common carrier.