They used a system called "social listening" to check social media and gather intelligence from posts made by people they keep on a list.
"These grieving families have waited years to see justice and they have had their trust betrayed time and time again by the very people who should be protecting them. Scientists have linked Aspergillus to issues during the construction of the £842million hospital, which in 2015 replaced the Southern General in Glasgow and other sites in the city.
"One of the documents they provided was heavily redacted but the parts which were not removed showed they wanted to add me to something called 'social listening'. I was stunned. Not only did they add me to this list to be spied on, they added any mention of Andrew's name to monitor what was being said about him."
The mother of three has also been critical of the Scottish Government and said officials who worked with her husband were complicit in covering up the flaws with the hospital.