Originally Posted by
YVR Cockroach
That accusation isn't so uncommon. A few years back, a school girl (as in high school) from my neck of the woods (SW Canada) flying to meet a parent in the U.S. was accused of precisely that (prostitution) while going through pre-clearance at YVR about a decade back. Ground for suspicion ws because she was in school uniform (of a Catholic school, no less) which did involve a tartan skirt (which most private schools for girls in the area seem to have a fetish for).
Indeed, a small minority of women coming into the US from Canada -- more so those from Quebec, Ontario and British Columbia than elsewhere in Canada -- do indeed get subjected to the "prostitute" suspicion by CBP.