Elle Greenaway was a staple of the show starting from the very first episode. In the pilot, Elle helped the BAU capture a possible suspect. She also shot the show’s very first unsub, Tim Vogel aka the Seattle Strangler. (But, hey, he tried to kill Gideon first.) After that case, Elle joined the BAU and was a great addition to the team. Unfortunately, things didn’t remain good for very long.
In the Season 1 finale, an unsub shot Elle after breaking into her home. Paramedics eventually found Elle and were able to revive her, but she was left with psychological scars. In the premiere episode of Season 2, Elle returned to work — but her fellow BAU members weren’t convinced she was ready.
By the fifth episode of Season 2, Elle started going into a downward spiral. She let her emotions get the best of her and confronted an unsub prematurely, which eventually led to him being let off. She then followed him to his apartment and shot him in cold blood. In the next episode, Elle resigned from the FBI entirely, thus disappearing from the show.
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