morris1,
In your list of important things that an attested Police Officer brings to the role of TFO,
you forgot one very important one - which is that the experienced Police Officer will also have dealt, first hand, with many CRIMINALS,
and will have learnt, through personal experience, many useful facets of information that all go towards developing that sixth sense
known as the "Coppers Nose", which can't be measured, or even fully explained, but which is often invaluable in the air,
and which can't ( easily ) be taught - but is gained with grass roots Policing.
