Teenager Sarah Stern was reported missing in December of 2016. Stern was ultimately found to have been murdered in 2019, and her murderers were brought to justice. But what happened to Sarah, and why?
Many news features have covered Sarah's story and explored the murder trial that led to some of the answers her family needed. On March 27, a rerun of ABC News' 20/20 will delve into Sarah Stern's murder and the shocking, unexpected perpetrators of such a heinous act.