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

The Road to UFC featherweight final on Saturday ended in violent fashion. Japan's Keiichiro Nakamura pulverized Australia's Sebastian Szalay with a big knee knockout on the UFC 325 prelims at Qudos ...

A mother's unwavering crusade for justice for her daughter's murder leads to the hidden clue that helped catch a killer in a new episode of "20/20" airing on Friday, January 30.