*Spolers*
No that was intentional the unknown assailant was to be the default option you pick. But it also is the deafult option so you would pay less attention. The other people on the crime scene you can accuse are ment to be there to seam at least to have some conections you would possibly make if you don't pay attention. As time goes on you are ment to realize that picking anyone is the wrong choice so the cases start pointing more and more away from the on scene suspects.