Why authorities are reopening Kristin Smart's case 30 years later

It’s been 30 years since Kristin Smart disappeared from the campus of California Polytechnic State University in 1996, sparking a decadeslong investigation that led to the trial and conviction in 2022 of Paul Flores for her murder. Smart was declared dead in 2002, but her body has never been recovered. Now, authorities are reopening the case. CNN’s Josh Campbell explains why. #cnn, #news, #murder, #mystery