A woman shockingly boarded a Delta Air Lines flight from New York to Paris without a ticket or proper documentation despite the airport’s stringent security measures. The breach in security happened on November 26,

Authorities in the United States have reviewed airport security footage as they continue to investigate how a woman sneaked on board a Delta Air Lines flight from New York to Paris without a ticket last Tuesday –– one of the busiest travel days of the year.

French officials tell ABC News that the woman who allegedly snuck onto a Delta Airlines international flight is a Russian national who did not have valid travel documents to enter the country.