Sex trafficking has evolved in the 21st century to focus heavily on social media and financial mobile applications. And despite efforts to stop it, it's increasing globally.

During his 1980 trial, evidence against the serial killer was so strong that his guilt was not in question. Instead, the case hinged on whether he'd been legally insane when he killed.

Detective John Dawes speaks with us about the difference between solving active and cold cases.

We speak with author William Rawlings about 'The Stocking Strangler,' a serial killer who raped and strangled women, often with their own stockings, in the 1970s.

The serial killer brought fear to the University of Florida and surrounding area after murdering five young women over the course of three days in 1990.

Eighty percent of stalking victims in 2019 experienced stalking with technology, which is also known as cyberstalking. How can changes in legislation, law enforcement training and additional support better aid these victims?

In response to Sarah Everard's murder by an off-duty police officer, Wayne Couzens, the #TextMeWhenYouGetHome hashtag went viral to demand accountability from male perpetrators of violent acts against women.

In 1996 at Shenandoah National Park, Lollie Winans and Julie Williams were murdered. The case remains unsolved. Journalist Kathryn Miles believes investigators focused on the wrong man.

After spending nearly two decades in prison for a crime he didn't commit, the Wisconsin man was exonerated and released. But soon after, he was charged and convicted of the murder of Teresa Halbach.

The non-profit Texas EquuSearch, which helps find missing persons, has sparked a renewed effort to find the remains of possible additional victims of the ‘Candy Man’ serial killer.