Great romances

They both came from poor Dallas families and wanted more from their lives.

He wanted a wife who would stay at home and look after him, but she didn't want to give up her career.

They also promoted world peace by a series of "bed-in" protests against Vietnam War.

They got divorced, but remained best friends.

After their son Sean was born in 1975, the couple lived a private life.

The couple soon became known notorious criminals who travelled the Central United States during the Great Depression.