On April 1, 1999, the day Yvonne was found murdered in her home, a neighbor stopped by and told police he saw someone leaving her home, unbeknownst to him, after Yvonne was alredy dead. But this witness's statement was never turned over to the defense. Why? And who was the man he saw leaving Yvonne's home after her murder?

Do you have information about who murdered Yvonne Layne? Call our anonymous tip line at 888-863-9550. All tips are anonymous and confidential.

This Week's Sponsors:

Daily Harvest - Go to dailyharvest.com and enter code MAGGIE to get $25 off your first box

Prose - Take your FREE in-depth hair quiz and get 15% off your first order by going to Prose.com/MIA

Cat Person - Go to catperson.com/MIA and use code MIA to save nearly 50% on your Starter Box with free shipping