Tonight’s new episode is a backdoor pilot for what could be – and, given CBS’s ongoing faith in its crime-procedural dramas, soon will be – the latest spinoff from an existing CBS franchise. The guest star is Patricia Arquette, whose years on NBC’s Medium have her well prepared to play a “cyberpsychologist,” a woman who uses her powers of perception and deduction to solve crimes on and from the Internet. Finally – someone equipped to catch that elusive Nigerian prince!