So I was confused they arrested the older gentleman? What evidence did they have against him. They said he showed he was drugged. This probably the 1st episode I didn't really care for was not enough investigation.
they had him on killing his wife and using 'being drugged during her death' Sarahs old mentor who she thought was truly innocent was actually the one that killed his own wife. This was just a scene between Charlie and Sarah not the whole episode which would have how they solved it completely but it hurt sarah the most that her mentor she thought and fought for was innocent overall was the one she wanted to believe the most but Charlie understood why Sarah wanted to really think the good in her mentor and showed how they really had trust in each other at the end of the case
