How does electronic tagging work in Scotland?published at 16:46 BST
In Scotland, electronic tagging has mainly relied on older radio frequency (RF) equipment which is focused on home curfews or detention.
These devices are linked to a receiver in the offender's home and cannot track movements away from the property.
In 2016, an expert group recommended, external that Scottish authorities adopt GPS monitoring.
However, last year, the independent public body Community Justice Scotland (CJS) issued an urgent National Improvement Recommendation, external to the government urging it to accelerate the expansion of more sophisticated monitoring systems, including GPS.
The technology has been widely used in England and Wales since 2018 and there are plans to start imposing new restriction zones on offenders this autumn.

