The news nobody wanted to hear was delivered early Thursday: The remains of 1 of 4 young men missing in Pennsylvania were found in a mass grave. WFMZ reporter Jamie Stover updates the search and probe. An Illinois teenager reportedly confessed to shooting her mom and then calling her girlfriend to help covering up the murder. The teens allegedly burned down the house after trying to clean up the blood. Psychologist Dr. Bethany Marshall explains what in a teen's mind might lead to matricide.