When Oklahoma police officers suspected of misconduct move between agencies, the public can’t track them
Charges against one officer illustrate how confidential records can hide when officers accused of wrongdoing move between departments.
Markwayne Mullin’s committee to support political allies has spent nearly $1.5 million on travel, events and other expenses
Federal rules do not require Oklahoma’s U.S. Senator Markwayne Mullin to shut down his leadership PAC if he is confirmed to lead the Department of Homeland Security. The committee has spent money on flights on private jets, limousine rentals and luxury hotels.
Oil regulators found hundreds of wells violating Oklahoma rules. Then they ignored their findings.
Oklahoma took on an ambitious project to catalog all of the state’s injection wells, which shoot toxic waste generated by oil drilling back into the ground. Despite records showing risk of drinking water pollution, the state chose not to act.
Five takeaways from our investigation into the Tulsa Municipal Jail
Tulsa Mayor Monroe Nichols has ordered a review of jail operations after we uncovered a series of deaths at the facility.
Six Navy suicides in one year at Tinker Air Force Base
The Frontier wants to talk to service members and their families about access to mental health care at Tinker.
They were arrested for misdemeanors. Then they died in Tulsa’s city jail.
After Brian Bonner died from a treatable illness in Tulsa’s city jail, records reveal a pattern of preventable deaths and ignored warnings.
The state finalizes a deal to pay for housing after Gov. Stitt cleared homeless encampments in Oklahoma City
Oklahoma has agreed to spend up to $800,000 to house about 40 people after Gov. Kevin Stitt’s Operation SAFE — a shift from his earlier opposition to using tax dollars for homelessness housing.
Listen Frontier: Why Trump picked Markwayne Mullin for Homeland Security
NOTUS reporter Reese Gorman discusses the firing of Kristi Noem and what Markwayne Mullin’s appointment could mean for Oklahoma’s U.S. Senate seat.
Special Projects
Purged: Oklahoma’s Toxic Wastewater
Across Oklahoma, oilfield wastewater has continued to surface from the ground — even as regulators failed to contain it. This investigation examines how oversight fell short, how contamination spread and how families were left to navigate the consequences.
Fields of Green: A Frontier and ProPublica investigation into Oklahoma’s medical marijuana black market
Chinese criminal networks have taken over much of the illicit marijuana market in Oklahoma, stoking a wave of crime that includes violence, money laundering and human trafficking. And authorities suspect some of those involved have links to powerful forces in the Chinese state.
Shot by Shot: Tracking Oklahoma police shootings in 2024
There have been at least 25 police shootings in Oklahoma this year, at least 14 of which have been fatal.
Listen Frontier
NOTUS reporter Reese Gorman discusses the firing of Kristi Noem and what Markwayne Mullin’s appointment could mean for Oklahoma’s U.S. Senate seat.
