Web of Secrets: Vital Secrets, Book Three in Bloomington, MN

So many to choose from...
Someone's killing one college co-ed a month in North Texas.
A predator with exacting tastes uses technology to select his targets.
...So little time...
Detective Joe Wallace and BAU agent Nathan Thomas see his pattern - But they're scrambling to figure out his selection methods.
How many victims will he add to his collection before he's stopped?