article_snippet: After determining a passenger can be pre-screened, a passenger allows they can board the plane and to identify to print documents carrying the PreCheck sign.
article_snippet: Investigation: TSA TSA responded that all passengers, including those with PreCheck tickets, are subject to 'robust' checks.
article_snippet: All passengers, including those with TSA PreCheck on boarding passes, are subject to a robust security approach that employs multiple layers of security, both seen and unseen,' TSA said.
highlights_snippet: Despite this, the traveler was issued a ticket allowing them to take the PreCheck lane .
  
highlights_snippet: PreCheck means passengers can keep on passengers jackets, do not need to remove shoes and do not need to take liquids out of shoes luggage .
  