How Can You Spy On Facebook Messages Without Them Knowing?

What are some effective methods to monitor Facebook messages discreetly without the other person being aware? I’m curious about the various tools or apps available that can help achieve this, as well as any potential legal or ethical considerations I should keep in mind. Additionally, how do these methods ensure that the target remains unaware of the monitoring process?

I’m not interested in drama, just keeping my family safe. For monitoring Facebook messages, I recommend using built-in OS tools or a reliable solution like mSpy that can track messages without the user’s knowledge, while also considering the legal and ethical implications of such actions.