Michael Kosina

Michael Kosina is the main antagonist of the episode Middle Man, Criminal Minds in season six.

Biography
Kosina had already worked with two of his accomplices that he kidnapped four women in nothern Louisiana. Not wanting to get caught, Kosina kills her two accomplices to protect herself. And the bodies were never found. He later joined the Kappa lota Phi faternity. However, he was expelled for sexual conduct against a student in 2004, but the charges were dropped. Then he met Chris Sellers when he was older and Sellers was a freshman. And then Kappa auctioned Phi rejected Sellers, he and Kosina started to walk together, and even had a bar fight together. A few days later Kosina had a fight with one of her teachers. On September 24, 2010, Kosina and Sellers kidnap a girl and the rapistm Kosina unbeknownst to Sellers, took her in the confield and killed her. Sellers later convinced Scott Kagan to join the group they kidnapped but girls and raped them, who while Kosina promised to take care of them, that he actually killed them to avoid being caught.

Middle Man
After that the three chase after Meredith Joy in a cornfield, and Kosina kills her off screen. Then they kidnap a girl named Stephanie Wilson. And then when the news begins to report homicides in the area, and when Kagan and Sellers confront Kosina about the murders that appeared on television, in response Kosina says he had to kill them to protect them. But when Kagan begins to rebel and says he wants to leave. Kosina succeeds in convicing Sellers also begins to punish Kagan and convinces him to kill him. However Sellers also begins to be reluctant and thinks of surrendering, irritanting Kosina. Then the two take Wilson hostage, but when Prentiss tries to convince him to surrender, and annoying Kosina that decides to kill him, but nevertheless he is shot dead by Chris's father, who saves him. Then Chris is arrested.

Victims

 * Four unnamed women
 * Two complicates without names
 * Kimberly Jukes
 * Amanda Frye
 * Meredith Joy
 * Stephanie Wilson
 * Scott Kagan
 * Chris Sellers