Airs Tuesday June 29th at 10/9c on USA Network! The ghosts of Nichols' past return to haunt him when he's called to investigate the murder of an old friend; an eccentric book dealer who lived in isolation with his only daughter, a troubled young woman who once held a fond place in Nichols' heart. Become a Fan on Facebook: www.facebook.com/criminal intent, visit the official site: http://ci.usanetwork.com and follow USA on Twitter: http://www.twitter.com/USA_Network