Police Scotland have admitted that they have not fully considered the privacy or human rights implications of new mobile phone analysis tools that are to be used throughout Scotland.
In the last three years Police Scotland have successfully obtained data from at least 35,973 phones.
No-one has been caught for using drones to smuggle contraband drugs, tobacco and mobile phones into Scottish prisons, The Ferret can reveal.
Mobile phone firms have been criticised for letting government agencies exploit weaknesses in their networks rather than taking steps to secure customer data.
Calls for a privacy probe after Scottish Prison Service is first UK agency to admit using controversial phone blocking technology.