'Grey's Anatomy' Goodbyes: The 11 most traumatic exits

Reed was one of the pesky Mercy West doctors brought in to stir the pot in Season 6, and one of April's best friends. She wasn't exactly a fan favorite character -- her affair with Mark and dismissal of Charles left a bad taste in our mouths.

But everyone was shocked when she was abruptly shot in the head by grieving widower, Gary Clark when she was too distracted to help him find Derek -- his intended target. Her death kicked off the shooting episode that had fans reeling.