David Begnaud

When a college student in Milwaukee vanishes after a first date, investigators race to retrace her final movements.

Investigative reports on crime and justice cases.

When a teenager shoots two of his friends, he claims the shooting was triggered by a reaction to a popular prescription acne medication that caused him to experience homicidal thoughts.

More than 50 years after a teenage girl is murdered in small-town Nebraska, the long-dormant case comes together to make an arrest.

When Katlyn Lyon Montgomery dies in October 2022, her mother turns to TikTok to share her grief and demand justice, building an online community to help hold Katlyn's killer accountable.

A soldier goes on the run after his wife is murdered. With him, his 17-year-old girlfriend. What does she know? "48 Hours" correspondent Peter Van Sant reports.