cold cases (criminal investigation)

Soon after she turns 25, Libby Jones gets a letter telling her who her parents were and also that she inherited an old mansion in London worth millions. It might not be the windfall she thinks though, as police are investigating a bizarre murder case at the house where the only person left alive was a 10-month-old baby in an upstairs bedroom.

A Massachusetts district attorney running for governor wants to use some radical new DNA technology to solve a long-ago murder. The result? A new round of violence.

Explains that old unsolved crimes called cold cases are kept on file, but when new evidence or new crime-science techniques become available these cold cases are reopened, and describes techniques that can be used including bloodstain analysis, ballistics, forensic document analysis, DNA analysis, and more.

True crime author Michelle McNamara describes the crimes of serial rapist and murderer the Golden State Killer and her work to try to uncover his identity.

A true crime story about the disappearance of two sisters in 1975, and the effort--forty years later-- to bring their kidnapper, Lloyd Lee Welch, to justice.

"One night during the scorching summer of 1983, a group of teenagers go camping in the forest. The evening starts like any other--they drink, they dance, they fight, they kiss. Some of them slip off into the woods in pairs, others are left jealous and heartbroken. But in the morning, the youngest in the group, Aurora, has disappeared. Her friends claim that she was safe the last time they saw her, right before she went to sleep. An exhaustive investigation is launched but no trace of the teenager is found. The search is eventually called off. Thirty years later Aurora's body is unearthed and Jonah Sheens is the detective put in charge of solving the long-cold case. Back in 1983, he had played a part in the search as a young cop, and their small-town community meant he had known the teenagers--including Aurora--personally. Now, he's determined to finally get to the truth of what happened that night. His investigation brings the members of the camping party back to the forest, where they will be confronted once again with the events of that night--events that left one of them dead, and all of them profoundly and forever changed"--.

Ellingham Academy in Vermont is full of riddles, twisting pathways, and winding gardens. Shortly after it is opened by Albert Ellingham in 1936, Albert's wife and daughter are kidnapped. The only clue is a riddle describing various methods of murder and signed, "Truly, Devious." Years later, true-crime buff Stevie Bell enters Ellingham Academy with a goal to solve the cold case. Then Truly Devious makes a surprising return, and another death rocks Ellingham Academy.

"It's been a year since Poppy's husband, Jack, was brutally murdered during his morning run through Manhattan's Riverside Park. In the immediate aftermath, Poppy spiraled into an oblivion of grief, disappearing for several days only to turn up ragged and confused wearing a tight red dress she didn't recognize. What happened to Poppy during those lost days? And more importantly, what happened to Jack? The case was never solved, and Poppy has finally begun to move on. But those lost days have never stopped haunting her. Poppy starts having nightmares and blackouts--there are periods of time she can't remember, and she's unable to tell the difference between what is real and what she's imagining. When she begins to sense that someone is following her, Poppy is plunged into a game of cat and mouse, determined to unravel the mystery around her husband's death"--.

"Jenny Cavanaugh, the ghostly landlord of 926 Augur Lane, has enlisted the services of her detective-agency tenants to solve a decade-old murder--her own. Abigail Rook and her eccentric employer, R. F. Jackaby, dive into the cold case, starting with a search for Jenny's fianc?e, who went missing the night she died. But when a new, gruesome murder closely mirrors the events of ten years prior, Abigail and Jackaby realize that Jenny's case isn't so cold after all, and her killer may be far more dangerous than they suspected."--Provided by publisher.