20/20 ‘Diary of a Killer' Preview: A child is left behind after mom is found murdered

When Angela Bledsoe — a beloved mother and successful financial analyst — is found dead in her home in an upscale New Jersey suburb, all eyes turn toward her longtime boyfriend James Ray III. After abruptly leaving their young daughter in the care of his brother, the high-powered lawyer and former police officer skipped town and led investigators on an international chase. 20/20's "Diary of a Killer" full episode reports on the shocking twists and turns of the case, including the investigation that led FBI agents to Cuba, where Ray was apprehended in a rare extradition case.