Duncan was afraid of being ALONE (according to his sick blog), so he may have wanted Jessica as a companion. Just a wild guess here.
What's needed is for LE to
find the house where Shasta
was referring to.
LE should shakedown every
house in the area.
I'm thinking the house isn't
too far from the restaurant.
gut instinct.
I cannot believe they aren't
doing it.
FBI, helicopter & dogs in on the search just after the murders. The dogs turned up nada.