Margaret Hallman

"I love you, Johnny Lewis."

Margaret Hallman was a spree killer searching for her son in Season Seven.

Background
Before meeting Tomas Brown, Margaret Hallman had a sexual relationship with one of her students, Johnny Lewis. His parents found out and she was arrested but the charges were dropped.

Modus Operandi
Hallman used a .22 caliber revolver. She used to use a pillow to cover the sound of the shots, but eventually, she abandoned the method.

Profile
The unsub is a white female, who, based on the organization level of the crime, is her late 30s to early 40s. Something in the last few days had triggered her to think that killing was the only way to obtain a child. Consequently, the foster family that did not have a child in their care when she visited became her victims.

Because all of these families had recently children in their homes, it is believed that the unsub is motivated by maternal desires. Maternal desire is the profound emotional need to mother a baby. This stems from either the tragic loss of her own child or the inability to have one at all.

The unsub may also fantasize that somebody else's baby was hers. This emotion is beyond her control. A woman who miscarries sometimes projects onto someone else's child and sets out to take that child. This may cause the unsub to do something drastic, like commit some abductions or kidnap a random child.

The speed in which the kills were occurring suggests that the unsub is frustrated and devolving. This is causing her to go on a spree, which usually ends with a very high body count and suicide by cop.

Known Victims

 * Mark Daniel and Ben Preesley
 * John and Heather Miller
 * Brian and Gayle Gilbert
 * Sandra Montgomery
 * Karen Wilson
 * Julie Parker
 * Aaron Hotchner

Real-Life Comparison
Except for the fact that Hallman killed people, she may be based on the case of Mary Kay Letourneau, a teacher who had a sexual relationship with her 13 year old student, Vili Fualaau, resulting in two children.

Appearances

 * Season Seven
 * I Love You, Tommy Brown