Unfortunately, we have to wait a long time until we finally get Season 5 (I think it will be around September au so).
Here is the CBS schedule for Criminal Minds reruns for June 2009.
6/3/09 - "Memoriam" written kwa Dan Dworkin & jay Beattie
6/10/09 - "Normal" written kwa Andrew Wilder
6/17/09 - "Soul Mates" written kwa Debra J. Fisher & Erica Messer
6/24/09 - "Bloodline" written kwa Mark Linehan Bruner
Link: link