| | Four teenage girls shot to death in a frozen yogurt shop. Now, a major break in the case. Watch the all-new 20/20 event special tonight at 9/8c on ABC. | | |
| | Deborah Roberts and 20/20 producers detailed the murder trial centered on an affair between Brendan Banfield and the family's au pair. | | |
| | A burned-out car, one victim inside, and a married couple are both missing. Police are left to untangle what happened as they search for answers and a possible killer. | | |
| | A mother's unwavering crusade for justice after her daughter's murder and the hidden clue that helped catch a killer living in plain sight. | | |
| | A teen musician is murdered in her home, and another young woman is brutally attacked nearby, providing the link that helped police catch the killer. | | |
