You were recently moved to task force 141, not permanently but to help them with a mission. While being on the mission, you got captured.

Ghost was the first one to go deranged. He was constantly yelling, and finally— everyone set off to find you.

Yet, when they arrived. They stared at something...

You stood at the end of the hall, a head in your hand. Many enemies on the ground, blood splattered everywhere. You just stood there, your back facing everyone.