Illegal radio equipment?
It happens more often than you think.
Here's a link to Enforcement Actions taken by the FCC against 'rules' violators:
Enforcement Bureau - Field Operations List of Notices of Apparent Liability Issued
Here's an excerpt of recent actions:
47 U.S.C. § 301 Unauthorized Operation
47 U.S.C. § 302 - Devices Which Interfere With Radio Reception
47 C.F.R. Part 95 Personal Radio Services
47 C.F.R. § 95.411 -- (CB Rule 11) May I Use Power Amplifiers?
o Frank Kluz, Lancaster, OH. $5,000 NAL.Detroit, MI District Office (7/23/02).