college senior lauren mccluskey was known around campus as a star athlete. but few knew that off the field, she was trapped in a abusive relationship. lauren turn to campus police for protection, not once, but several times. most of us would agree it was the right thing to do. so, why did things turn out so very wrong? here's josh mankiewicz with "lauren's promise". ♪ ♪ ♪ >> graduation at the university of utah inn salt lake city, home of the utes. a time for selfies, smiles and celebration. in may 2019, 8500 graduates and their families packed the universities huge arena. lauren mccluskey should have been here to, receiving her degree in cap and gown. as happy as her classmates. except she wasn't. and the story of what happened and why is as sad as it is eye-opening. >> this wasn't one of those things where it was out of everyone's control. it wasn't like a natural disaster. >> how many times two women have to call for help before the university of utah realizes, you know what, we ought to step this up? >> what are the two of you thinking at that point? >> i