WEBISODE

Many of the 9/11 hijackers were flagged and screened with extra scrutiny before boarding their flights.

Before the attack, how did the 9/11 plot slip through the cracks of American intelligence?

Get the minute by minute account of what happened that morning.

Japan’s declaration of war on America arrived too late.

When the attack hits, US carriers are at sea.

On a quiet Sunday morning, the Japanese prepare for war.

The military launch an investigation into the incident.

The pilots reveal some startling details from the flight.

Thousands of choking, coughing patients flood the hospital.

How did the deadly gas MIC escape into the air?

A sequence of plant management failures led to the disaster.

How did two aircrafts collide in mid-air?

Crews were trained to follow air traffic control command.

A family member of a victim takes revenge.

Trains carry hundreds of passengers on a normal morning commute.