The definition of apprehend is to take someone into police custody.(verb)
When the police pick up someone matching a description of a suspected criminal, that is an example of apprehend.
See apprehend in Webster's New World College Dictionary
Origin: ME apprehenden < LL apprehendere, to understand < L, to take hold of < ad-, to + prehendere: see prehensile
See apprehend in American Heritage Dictionary 4
verb ap·pre·hend·ed, ap·pre·hend·ing, ap·pre·hends verb, transitive
Origin: Middle English apprehenden
Origin: , from Old French apprehender
Origin: , from Latin apprehendere, to seize
Origin: : ad-, ad-
Origin: + prehendere, to grasp; see ghend- in Indo-European roots.
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