SSGAma, your post opened my mind to thought. Right now, the only remaining power TS has is revealing the location of Gannon's body. I realize it may me next to impossible, but making the decision to move on and heal without locating his body, may be wise. The idea is empowering because it gives the parents back the control.
If Gannon's body is to be found, it will be. Its possible that LE and the parents had this is discussion before the PC. No bargaining, no deals! I felt a sense of acceptance or finality about the conference.
** Again, I am not suggesting to cease searching for Gannon's body. However, I realize this as a strategy to disable the monster's control and ability to inflict anymore pain onto these parents.