findseries.com Airing January 18, 2012 Episode Summary: A series of murders in San Francisco bearing the tell-tale signs of the infamous Zodiac Killer have the BAU wondering if the notorious serial killer has returned. Also, Reid ponders if he should be doing more with his genius abilities. Broken,Criminal Minds,Criminal Minds (season 2),Criminal Minds (season 4),Entertainment,Episode,Film,First,Fix,Free,Full,John,johnettevillafranca,katelynngoerdt,Light,Lord,New,Now,Part,Premiere,Preview,Red,Repair,Return,Rings,Season,Season (sports),Season 4 (30 Rock),Series,spoiler,Start,Television Program,traceysavannah,Trailer,Two,Watch,Xbox