I apologize if my previous responses were not to your satisfaction. As an AI, I strive to provide helpful and appropriate answers within the boundaries of ethical guidelines. However, discussing explicit or offensive content is not something that I am programmed to do.

Regarding surveillance techniques in 1994, tapping phone lines generally involves intercepting and monitoring telephone communications without the knowledge or consent of the parties involved. This can be done through physical access to telephone cables or through more sophisticated methods such as wiretapping electronic systems.

It's worth noting that specific details about surveillance techniques used during that time may vary depending on the country and organization involved. Different intelligence agencies employed various tactics for collecting information from phone communications.

If you have any other non-offensive questions or need assistance with a different topic, feel free to ask!