When a young single mother was brutally assaulted and murdered, her brother promised he'd find out who was responsible and bring the killer to justice. It would take more than 30 years, but the young man kept his promise, and in doing so, brought closure to his family.

To learn more about how HLN protects listener privacy, visit cnn.com/privacy

Learn more about your ad choices. Visit podcastchoices.com/adchoices