Days before the final withdrawal of U.S. forces from Afghanistan, thousands of desperate Americans and Afghan allies seeking to flee the country were using unguarded routes across open fields and through narrow alleys to reach one of the only gates providing access to the Kabul airfield.
Despite intelligence warning of terrorist attacks, U.S. military commanders encouraged use of the routes. Some U.S. officials even provided maps to evacuees trying to bypass Taliban fighters stationed at a checkpoint outside the airport.
It was a decision born of necessity, senior military officials…