Dateline on ID Season 7

A woman has a dangerous affair with her boss.

A marital argument resulting in a death is investigated

A California town comes together to search for a mother who vanished after a night out with her new boyfriend.

Authorities suspect a cover-up when a South Carolina husband and father claims his wife was killed by a friend.

The murder of a Florida man is investigated.

A cold case involving a murdered couple in Phoenix is reopened due to new testimony.

The case of an armored-car robber is detailed.

An Oklahoma fireman is attacked and killed in his home.

Two teenagers are framed for a crime.

The death of Arkansas beauty queen Nona Dirksmeyer is investigated.

A retired professor is murdered in his Utah home.

The case of two brothers who were put behind bars for more than 20 years is affected by social media.

The death of a wife found in the burned ruins of a country house in a picturesque town along the Delaware River is investigated.

The 2010 murder of Kevin Mengel is examined. His wife was found guilty of conspiring with her lover, Stephen Shappell, to have him killed.

Questions surround a young father when his wife perishes in a house fire and a second tragedy takes his son's life.

The 2004 murder of an entrepreneur in Nantucket, Mass., is detailed.

Exploring the case of Utah doctor Martin MacNeill, who was accused of drugging and drowning his wife in their bathtub in April 2007.

A masked man kills a young mother and leaves her 5-year-old son for dead.

Actress Aasha Davis faces a real-life drama when her sister and brother-in-law go missing.

The 2012 shooting death of a school superintendent in western New York is investigated.

A Halloween turns tragic when a fiancée is killed at a bar. The investigation proves difficult when it's discovered all suspects were in costume.

Examining developments in the case of Barry Beach, a Montana man who served 29 years in jail for a crime he says he did not commit.