You just get it above (on the shelf,above) CJ's laptop computer
Have fun
open the diary the you can find over the computer.
you put it in cj's diary in her room
go to teliscope
the key is inside the one to the diary
You put the torn page with it.
go to CJ's room and put it in her diary above her computer
the clues are in her diary witch is on her shelf above her computer
you read it after you get the other half of the diary page and a message (the message is on the kitchen table and the diary page is in the kitchen trash)
Grow a pair and stop playing the game
In the fish tank in Cj's living room in her apartment.
you go into the trash can and work your way through the trash