Christopher Vaughn was convicted for the 2007 killings of his wife and children in the family minivan. The iHeart podcast "Murder in Illinois" looks into whether someone else was responsible and an innocent man is in prison.

FOR OUR SPOILER-FREE REVIEW OF "MURDER IN ILLINOIS" GO TO MINUTE 29:00

The killing of a teen in a Spanish seaside village and the prosecution of a family friend for the slaying gripped the country. Netflix's "Murder By the Coast" describes how a subsequent crime would rock two nations.

FOR OUR SPOILER-FREE REVIEW OF "MURDER BY THE COAST" GO TO MINUTE 58:00

In crime of the week: dog fight.