In every person's life, there is always one defining moment.

One moment when the world comes to a standstill.

One moment when everything you thought you knew is challenged.

One moment that will forever be ingrained in your mind.

One moment that will change your life.

One case that could be the downfall of the most elite unit of the FBI.

One person fighting for their life.

One family torn apart.

One blink of an eye.

One unsub.

One bullet.

One moment.