First thing that occurred to me was satanic ritual. I am amazed how many people don’t believe that kind of thing happens. Just amazed.
People believe in the moon landing but can’t wrap their pates around satan indwelling humans.
With the internet being commonly used by children, easily influenced young people can be caught up in Satanism. Adolescents are constantly LOOKING for something to get caught up in that is COOL. Some kids get caught up in athletics, some in politics, some in Wicca. We had the GOTH movement, the EMO movement. We have permissive parents who enable ‘anything’ the kids want to do.
I don’t yet know all the details of this incident, but the two suspects look like meth addicts. The female seems to have some facial scars, which can lead to a built up internal hate of others. Satanism is an outlet for those who build up an internal hate, mostly of themselves. I know this for sure, that HATE eventually finds an outlet.
Possibly, this female, wanted to vent this hate by having her friend abduct the girl so they could kill her together. That way the boy could not ‘dump’ the girl (because of her facial scars) for fear she would turn him in.
All speculation, I admit, but that’s the way I see it so far.