There are many TV shows and movies in Europe and the United States that investigate cases. The following are some works worthy of recommendation: Television: - Suspect Hunt was a crime mystery drama produced by Warner Bros. Television Company. The plot was compact and the cast was strong. - Sherlock Holmes was a detective drama produced by the BBC. The main character Sherlock Holmes 'detective story was humorous and the actors performed well. - Criminal Minds (The Mind Hunt) was a criminal psychology drama produced by HQ. The plot was deep and the cast was strong. - Fargo was a crime drama produced by HQ. The story was compact and the actors performed well. Movie: - Inception was a sci-fi horror film directed by Chris Norland, which told the story of a team of dream thieves who tried to rob people in their dreams. - Memento was a sci-fi horror film directed by Chris Nolan, about a man who had lost his short-term memory and was searching for clues to his wife's murder. - Clue was a comedy suspense film directed by Peter Gunton, which told the story of a group of college students trying to find the murderer in a mysterious murder case. - The Prestige is a drama film directed by Chris Norland, which tells the story of the competition between two magicians and the secret story between them. The above are some of the more popular European and American detective cases on television or movies. I hope you can help.