Signal: Long-Term Unsolved Case Investigation Team (Shigunaru: Choki Mikaiketsu Jiken Sosahan / シグナル 長期未解決事件捜査班)

Hollywood Story  - (1951)

During the 1950s Hollywood, an independent producer unwisely opens an old can of worms when he decides to make a movie about the 1929 unsolved murder of a famous silent-film director.

Crowsnest - (2012)

In late summer of 2011, five young friends on a road trip went missing after being attacked by nomadic cannibals in a huge RV. Video was recorded by the victims & recovered by police as evidence in their still-unsolved murders.

The InBESTigators  - (2019)

When Maudie, a ten-year-old puzzle prodigy, forms a detective agency with her classmates Ezra, Ava and Kyle, no crime is left unsolved.

Cabin 28 (2017) - (2017)

Based on one of the most infamous unsolved murder cases in American history, this film follows a family who are terrorized at an isolated cabin by mysterious assailants.

Shallow Ground - (2005)

A naked teenage boy covered in blood appears at a remote sheriff's station one year after the brutal unsolved murder of a local girl. Now Sheriff Jack Shepherd, guilt ridden over the girl's...

The Visitation - (2009)

The Visitation reveals a small town torn apart by supernatural events involving a mysterious stranger and his unsolved past.

Mikaiketsu no Onna 

After waking up from a month-long coma due to injuries sustained in a reckless, heated investigation, detective Yashiro Tomo quickly returns to work at the Tokyo Metropolitan Police Department. She is ordered to transfer from the First Investigative Division's Violent Crimes Unit to the Sixth Special Investigations Unit. Located in the basement, it is in charge of deciphering documents of unsolved cases. Despite Tomo's bewilderment, she begins work in her new postalong with a brusque senior detective Narumi Risa who is called the expert of document deciphering for her unusual ability to predict the personality and thoughts of a writer from writings. However, the reality is that this kind of work is nothing more than that of a "storekeeper" of investigation materials

Signal 

Kento is a policeman, who had learned the art of criminal profiling on his own. After many painful and heartbreaking past memories such as the murder incident of a young girl who he was related to during his childhood years, and his brother's suicide, he has completely lost his trust on the police. With his calm decision making ability, detailed observation skills and his expert knowledge on criminal profiling, he embarks on a new challenge as he tries to uncover the truth which lies behind his brother's death. After secretly witnessing the female murderer who had kidnapped his childhood friend 15 years ago, Kento contacted the police about this, however his information had continuously been mistreated and uncared for by the police. The case itself remains unresolved as it nears the end of its period of investigation. One day, he hears a voice from a reciever which had been disposed. The voice turns out to be of another detective who had also been investigating the same incident as ...

Night Owls - (1930)

After getting lambasted by the Police Chief for the 42 unsolved robberies committed on his watch, Officer Kennedy bamboozles vagrants Stanley and Oliver into a plan to recover his ...