After entering Stinky's Backup Tunner you will be in the area with the cloning pods, from here walk right till you find a tunnel with the option on
of explore patchouli smelling tunnel
Upon exploring you will be outside Papierwaite's office, examine rubbish bin to the right of the door to pick up the resignation letter.
to use items with anything and then press
again to examine resignation letter
and then press
to go back.
and then activate Teleportation and pick 'Sal's New Job'
Upon entering this new area look on the floor for the option to pick up familiar ventriloquist dummy
, then press
and activate Mind Reading, then select to read newspaper rack's mind???
and the trophy will be yours.