A special “Dateline” is on Thursday with a two-hour episode on the case that has captivated the nation for weeks — the retrial of Karen Read. Here is a preview of Andrea Canning’s report: It has been more than two years since John O’Keefe was found dying in the snow.

After Karen Read was acquitted of second-degree murder Wednesday in the death of her boyfriend Boston police officer John O’Keefe, jurors and O'Keefe family members are expressing their thoughts on the decision and how they are working to move forward.