You meet Doctor Spencer Reid while deep undercover for the FBI...

[COMPLETED] ❝ we need someone to replace blake and i think we should give her a chance. ❞ ❝ spence, she's a criminal. ❞ the four horsemen had earned the title of the most dangerous group that the behavioral analysis unit had ever worked against. luckily for the team, in their possession now was quinn carson, the member of the horsemen that they believed could change everything. [pre-season 10 - season 10 ] [BOOK ONE IN THE HORSEMEN SERIES]