"Unsolved murder" refers to a criminal case where the person responsible for a murder has not been identified or caught, and the case remains unresolved or unproven. Full definition
Based on James Ellroy's novel, that is in turn based on one of the most notorious unsolved murders of all time, this represents another step in Brian De Palma's increasing irrelevance. (rottentomatoes.com)
In the film, based on a true story, Morgan plays a detective transplanted from New York who teams with a local investigator (Sam Worthington) to work on a series of unsolved murders in industrial wastelands surrounding Gulf Coast refineries, where as many as 70 bodies turned up over the past two decades. (amctheatres.com)
They're a pair of high school seniors — «best friends forever» who run a blog about unsolved murders in sleepy towns like the one where they live. (markreviewsmovies.com)