Was key evidence manipulated to help convict a day care worker of murder? "48 Hours" correspondent Erin Moriarty has new details in a case she's been covering for more than a decade. 

When a young Minnesota mother goes missing, her sister turns to TikTok for help. "48 Hours" correspondent Peter Van Sant reports.

What is Trump planning to change on Day 1 of his second term?; Inside the unique challenges reporters faced while covering the Los Angeles area wildfires

Users in the U.S. who opened the app were greeted with a message that read, "Sorry, TikTok isn't available right now."

True crime. Real justice. To miss it would be a crime.

What is Trump planning to change on Day 1 of his second term?; Inside the unique challenges reporters faced while covering the Los Angeles area wildfires

Users in the U.S. who opened the app were greeted with a message that read, "Sorry, TikTok isn't available right now."

Melissa Calusinski was convicted and sentenced to 31 years in prison for the death of a 16-month-old in her care, but her attorneys argue that critical evidence that might have cleared her was manipulated.

Adam Fravel is charged with first-degree murder in the death of Maddi Kingsbury, the mother of their two children. He maintains his innocence.

Trump boarded his plane from Palm Beach, Florida to head to the nation's capital.