20/20

When a couple is found dead, the investigation leads to a woman they had a relationship with online, her family and a man who claimed to work for the CIA.

The murder trial of Tom Fallis, who was accused of killing his wife after her death was originally ruled a suicide.

Gio Benitez reports on the story of a 29-year-old lawyer who was found shot six times by his girlfriend in what she claims was self-defense, but a former girlfriend enlightens police with information that could possibly indict the current girlfriend.