When we first meet Benicio del Toro's grizzled, seen-it-all detective Tom Nichols in Reptile, the gloomy new murder mystery on Netflix, he's questioning the boyfriend of a woman who has just been brutally murdered.
The boyfriend seems understandably shaken, and willing to cooperate; he's not a likely suspect. But Nichols isn't so sure; he suggests to another cop that they make the boyfriend take a polygraph.
