Two respected doctors are found shot to death by the side of a highway; a Michigan businesswoman goes missing after she returns from a trip.

Casanova Killers

Lethal Lovers

An up-and-coming lawyer reports that his wife has died from a self-inflicted gunshot wound; California firefighters find the charred body of a real-estate agent.

Where There's Smoke ...

A recently divorced Florida woman is found murdered in her own home; family members and investigators look deeper into the apparent suicide of a San Diego biotechnology worker.

A Wolf in Sheep's Clothing

Members of the "Casanova Killers" club are good-looking, charming, seductive, and sometimes psychotic in the way they manipulate their partners with all the right moves before executing the final, fatal one.

S1 E2 | Where There's Smoke ...