A few weeks before her fourth birthday, Madeleine McCann disappeared from an apartment in Portugal, where she, her parents, and her twin siblings were on vacation. Her disappearance received international press coverage, but despite numerous investigations by several different agencies, young Madeleine remains missing and no arrests have been made in the case. However, Portuguese authorities at different times categorized several individuals as having arguido status, which means what? Discuss
Source: The Free Dictionary