She might be a Portugal passport holder but she is definitely NOT Portuguese. First, she does not have a Portuguese accent when she speaks English. Second, Portuguese nationals do not act in such a manner in a foreign country, as they are non-confrontational in their culture, except for a few bad apples. But first and last names are not of Portuguese origins.
As Thais, it would be more revealing if they shared their origins if alleged criminals/felons are non-native.