"150 home-made video tapes were found in Devlin's bedroom. No word as to content [per 3d hand information from KIrkwook cop}."
It doesn't have to be Stockholm Syndrome or even terror. Simple blackmail's quite effective.
the shame from something like this can keep any child afraid and not wanting to do anything that would cause this such emberessment.
I agree with you and think it was a combination of terror,blackmail, and fear that kept Shawn were he was for those 4 years.