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If we stay together, we can get him.
Mosely to Prentiss and Easter in "Valhalla"

Tsia Mosely was a former colleague of Emily Prentiss at Interpol and recurring character in Season Six of Criminal Minds.

Background[]

Mosely used to work for the French federal agency DCRI and was later assigned to Interpol. She became part of JTF-12, a team formed after 9/11 by Interpol that specialized in profiling terrorists, utilizing infiltration. The team consisted of Emily Prentiss, Sean McAllister, Clyde Easter, Jeremy Wolff, and herself. Sometime after the team disbanded (for unspecified reasons), she and Wolff went into a relationship and eventually got engaged.

Season Six[]

Today I Do[]

When Ian Doyle, a terrorist she and the rest of the team captured, escaped from prison, killing a motorist and stealing his car in the process, Prentiss becomes concerned for her former teammates and contacts Mosely, who tells her that Doyle thinks that Lauren Reynolds, the alias Prentiss had to go by when she infiltrated Doyle's organization, is dead from a car accident. Later, Mosely realizes that Wolff perished from an unspecified natural cause and calls Prentiss, who is confident that Doyle ordered Wolff's hit and tells Mosely to go into hiding. Having no other options, she does so.

Coda[]

After Doyle killed Sean McAllister and his family, Prentiss calls Mosely and Easter to help her track down Doyle and kill him. The three of them communicate by disposable cell phones at a plaza; Mosely tells them she was devastated that she couldn't attend Wolff's funeral. They tell Prentiss that they started their quest of Doyle, having Mosely used her contact in Washington D.C. to track him through one of his aliases and found out about his travel schedule. Using one of his aliases, Mosely and Easter manage to find Doyle and tells Prentiss about this.

Valhalla (Part 1)[]

Prentiss starts to distrust Easter because he didn't tell her that Doyle was imprisoned in North Korea and not in Russia. Finally believing that he can no longer be trusted and that he is hiding information to them, Prentiss instructs Mosely to meet her at an apartment room belonging to a forger who created fake IDs for Doyle's son Declan and Declan's nanny. However, when Mosely arrives, she is shot in the forehead through the door and killed by Doyle, thus leading to the belief that Easter is the mole. When the BAU discover Mosely's body, Prentiss is devastated that she led her dear friend to her murder and even threw up outside.

Lauren (Part 2)[]

It was revealed in the episode that it was Wolff who was Doyle's informant. Knowing this, Easter withheld information from Mosely, who was Wolff's fiancée and therefore could have been involved in the matter.

Appearances[]

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