A group of young investigators is lending a fresh set of eyes to some of the more than 20,000 unsolved homicides in Texas.

This episode explores a case known as “The Girl in the Wheelbarrow,” which remained unsolved for over a decade before new evidence helped investigators identify those responsible.

Two Florida cold cases that have remained shrouded in mystery for years have finally been solved, according to authorities. Both cases — a fatal stabbing in 2007 and a fatal shooting in 2022 — took ...