Give Me A Reason

Dr. Spencer Reid is the genius of the BAU. Literally. With an IQ of 187, he can read 20,000 words per minute and has multiple degrees, making him the smartest man in the room just about anywhere.
When his team is faced with a case they may not be able to crack, Spencer must swallow his fear of judgement from his peers and face a ghost of his past to pull his equal out of hiding, but is that really a good thing?
Will the team of profilers be able to solve this case or has Spencer introduced a more dangerous subject into the equation?