Skilled migrants are people migrating, or moving, to another country who come educated or trained in specific areas. This can include nurses, lawyers, engineers, scientists and many other occupations.
Do you mean who can migrate? If so, in the EU anyone can migrate to one country to another, as long as both countries are in the EU. Elsewhere, people who are the subject of or have fear of...
The term refers to their skill in: Their knowledge of the Law - Their application of that knowledge - The ability to gather relevant evidence - Their ability in utilitzing their iinterrogation skills...