An Arizona man is shot to death in his garage before he's able to read the results of a paternity test. Investigators follow a surveillance trail across town to uncover the twisted events that led up to his death.

When a loving father is gunned down in upstate New York, a hunt for the gunman ensues that crosses state lines. As several suspects are brought in, investigators must determine who's telling the truth to finally reveal the ruthless mastermind.

When a Texas woman discovers her husband's brutally stabbed body in their ransacked home, police suspect he was the victim of a robbery gone wrong. As they dig deeper, a torrid love affair built on manipulation and greed is unveiled.

After what appears to be a fatal road rage incident, authorities in Clifton, Arizona, follow a trail of recovered text messages that suggest this was no random attack, but instead a cold-blooded murder.

A prominent private investigator is reported missing after he fails to return from a business trip. When the case goes cold, a former Russian spy assists the FBI in a sting operation to uncover the truth behind his disappearance.