Every season of Detectives: Case Closed ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Detectives: Case Closed!

Detectives reveal the methods used to solve some of Britain’s most heinous crimes. How do police officers locate perpetrators who are using the anonymity of the dark web? In this episode, investigators reveal the methods used to trap a blackmailer buying personal details online for extortion purposes. Plus, the police investigation that smashed a gang of house thieves terrorizing Welsh towns.

The Blackmailer and the Dark Web

Murders, kidnappings, blackmail, people smuggling. They’re some of the worst crimes that Britain has ever endured. Now the detectives who solved these complex cases are revealing, for the first time, how they hunted down the perpetrators and explain the methods they used to put them behind bars. This true crime documentary series features exclusive interviews and forensic evidence.

The Best Seasons of Detectives: Case Closed

The Best Seasons of Detectives: Case Closed

Season 1