Like Magnets

{au, not set in any season, Reid x Oc, Oc as Hotch's baby sister} Elise Hotchner is the quirky, strong willed and outspoken baby sister of Aaron Hotchner, leader of the BAU unit Spencer Reid happens to be a part of. When an unsub (who happens to be her ex) takes her hostage for his own sick little games and the team comes to the case, the story of their magnetic attraction begins..