Podcast:Dateline NBC Published On: Wed Dec 02 2020 Description: In this Dateline classic, after college student Angie Samota was stabbed to death, police had no shortage of suspects; a crucial clue narrowed their list to one name, but it would be years before technology and a tenacious friend came together to help unravel this mystery. Josh Mankiewicz reports. Originally aired on NBC on June 8, 2012.