When conducting surveillance, explain how to balance an expectation

All questions relate to American law, please include a reference page

PART 1:

In 300 words, respond to the following:

• When conducting surveillance, explain how to balance an expectation of citizen privacy with legitimate investigative procedure that has public safety as its goal.
• Explain whether citizens should differentiate between government intrusion and private companies who use citizens’ online data to surveil their movements and activity.

Part 2:

• Psychological advantage
• Time frame
• Room setup
• Pressure
• Challenging assumptions or using intimidation to keep the suspect off-balance

Then, in 500 words, respond to the following:

For each of the five characteristics of an interrogation listed above, explain:

• how each benefits the interrogator,
• the intended and unintended effects on the suspect, and
• how each may be affected by legal requirements.