Investigate comes from Washington DC to investigate Osage murders

When oil is discovered in 1920s Oklahoma under Osage Nation land, the Osage people are murdered one by one—until the FBI steps in to unravel the mystery.

Superb undercover work by the F.B.I. tells of a horrifying true story of extreme greed and the cold blooded murders of oil-rich Osage Indians during the early 1920's in Oklahoma.

A historical documentary focusing on the events that occurred on the Osage reservation in the 1920s. In the early 1900s death was all too common in the oil boom town of Fairfax on the Osage reservation. Osage people were dying at alarming rates. Local authorities were quick to attribute these deaths to “accident,” “suicide” or “poison whiskey.” But when the Smith home was blown up in Fairfax it became apparent to everyone that someone was murdering the Osage people.

An investigator from the state attorney general's office is sent to a small Southern town to investigate a strange murder.

Under Investigation will seek to solve crimes, uncover new evidence, hear from people who have never spoken publicly, while harnessing great knowledge and skill with exciting and innovative storytelling techniques.

An investigator tries to solve a murder, her constant interviews with the main suspect cause the investigation to take many twists and turns as what is said is not always what is meant.