Final answer:
The question does not specify which two phones were wiretapped. Wiretapping can target any phone, and with modern technology, any cell phone can be turned into a remote surveillance device. The PATRIOT Act of 2001 exemplifies the tension between national security and individual rights.
Step-by-step explanation:
The two phones that were wiretapped cannot be identified without more context. Generally, wiretapping can involve any type of phone, such as cell phones or even pay phones as implied by the reference to the US Patriot Act of 2001. Under this Act, wiretapping by government agencies is done in the interests of national security. However, it often creates a tension between ensuring security and protecting the rights of citizens. Advanced surveillance techniques go beyond traditional wiretapping; with specialized software, phones can be turned into remote listening devices, where law enforcement or unauthorized parties can remotely activate a phone's microphone or camera. This technology can effectively turn any cell phone into a covert surveillance device without the user's knowledge.
Historically, wiretapping has been used to monitor individuals suspected of espionage or other security threats, as suggested by the mention of investigations into code experts during the Cold War era. The capabilities and potential overreach of surveillance have raised significant legal and ethical discussions regarding privacy. It's important for anyone interested in the balance of security and civil liberties to understand the implications of laws like the PATRIOT Act and the technologies used in surveillance.