Mary Meadows

Mary Meadows is a forme FBI Special Agents that was infiltrated into the police and was also part of a cult knows as The Believers. Her was portrayed by Karen David.

History
Not much is known about Mary's past life other than the fact that she was one of Benjamin Cyrus's wife, she met Reid and Prentiss in making refills of their Liberty Rach Church. After church was destroyed and the sect undone, she and one of the survivor, Bennjamin David Merva who at the time his name was David James Merva decided to make a new sect, whose prophecy whould be to kill 300 people and remove their hyod bones

The Believers
While Merva's cult continued to kill him, she soon infiltrated the FBI. Later when the number of the deaths reached 299, she wloud themm kidnap Reid and kill him to reach 300, since he was chose for being a genius in science and religion. After Merva was captured by BAU, she then kidnapped Penelope Garcia, Theo Holston and Spencer Reid to can free Merva from prison.

300
After rescuing her leader she rang a false BAU fire alarm and escaped. While they kept Reid and Garcia in a warehouse and put Garcia to hack the trucks full of weapons so a not to be detached, she soon reveals this that was revenge against them killing their former leader. But when Garcia escaped her, they then killed Theo as they arrive at a new bones. After Reid realized that the cult was affiliated with Cyrus in the county of La Plata. Shortly after attemting to kill Reid, the BAU arrived shot at the Merva killing him and arrested him Meadows all those involved who were on the scene.