Ruling on setting up a recorder to watch over a relative’s conversations

 

I have many brothers and sisters, so I use a telephone recording device to protect against wrongdoing and mischief. What do you think of this means, as this method has prevented wrongdoing in the past, noting that they are unaware of it?

 

Fataawa Al-Liqa’ al-Shahri by Shaykh Muhammad ibn Saalih al-‘Uthaymeen no.