how to summon:

this has to be done on a full moon and at midnight.

take a kitchen knife and go to your bedroom.

turn off the light and keep the door open.

go to your window, open the blinds/curtains and look outside.

hold the knife to your chest (make sure to point it downward)

chant :

"Liu woods, Liu woods, i know where Jeffery is"

you will here someone say "where is he?"

then turn around.

if this works tell him that he's at Melinda's place.