SERCO?
I gather that the tracers are recruited, employed, and trained by Serco.
https://www.theguardian.com/business/2013/dec/19/offender-electronic-tagging-serco-repay-68m-overcharging
One hopes there has been a change of culture since then.
I'm going to avoid the usual 'what could possibly go wrong' comment because we really need a system that works, in the sense of allowing local measures to deal with clusters, to avoid economic meltdown.
Biting the hand that feeds IT
