Aired 16 years ago - Oct 14, 2009
A group of suspects with a pack mentality who kill for the thrill of it are the subjects of a BAU manhunt.
Mouse over thumbnail for slideshow
Or scroll and see one by one:
#2
#3
#4
#6
#10
#12
#15
#16
#17
#18
#19
#25
#26
#27
#33
#34
#39
#43
#45
#50
#51
