Best documentaries based on true story. Can you recommend some?

Sure. 'The Cove' is an excellent one. It exposes the cruel dolphin hunting in Taiji, Japan. It's a shocking revelation of an ongoing practice.

'Hoop Dreams' is also worth mentioning. It follows the real - life stories of two African - American high school students who dream of becoming professional basketball players, showing the challenges and hopes they face along the way.

One well - known betrayal documentary based on a true story is 'The Jinx'. It delves into the life of Robert Durst, a man suspected of multiple murders. The documentary reveals how his actions over time seem to be a betrayal of those around him, including his family and friends. It's a gripping exploration of a complex character.

There's also 'Cropsey'. It's based on the true story of the legend of Cropsey, a boogeyman - like figure on Staten Island. But as the documentary unfolds, it reveals a more disturbing and real - life story of a mental institution and disappearances in the area.

Another great one is 'The Imposter'. This is a truly disturbing story. A French man impersonates a missing Texas boy. The documentary shows the real - life interviews and the strange events that unfold as the imposter tries to fit into the family, blurring the lines between truth and lies.

One such documentary is 'Cropsey'. It's based on the real - life urban legend of Cropsey on Staten Island. The documentary delves into the mystery and the real - life events that might have inspired the terrifying tales.

'Cropsey' is a lesser - known but interesting documentary. It's based on the true story of disappearances on Staten Island. It has a spooky atmosphere as it explores the urban legends and the real - life abductions that occurred in the area. It also looks at how the community reacted to these events.

'Icarus' is a documentary based on a true story. It initially started as an exploration of doping in sports but then turned into a much larger story about the Russian doping scandal. 'Three Identical Strangers' is another interesting one. It's about three men who discover they are identical triplets separated at birth, and it delves into the real - life mystery and the unethical experiments that were done on them.

The documentary 'The Jinx' is also a must - watch. It tells the true story of Robert Durst. The filmmakers uncovered some really shocking evidence during the making of this doc. Durst has a very dark and disturbing past which makes this a truly scary documentary.

One of the great ones is 'Abducted in Plain Sight'. It tells a truly shocking true story of a young girl's multiple abductions. The documentary does a great job of presenting the facts as they were known, and it's both disturbing and eye - opening.