A doctor in Muskogee shares his story after investigators uncovered a years-long fraud scheme in his practice.Dr. Jack Weaver, a sports medicine and pain physician at Access Pain Solutions, said the situation is both emotional a nd difficult to process.It made me sad that this happened, very frustrating that this happened, Weaver said. Weavers former office manager, Katrina Dawn McCroskey, pleaded guilty to one count of bank fraud. The charge stems from an investigation by the United States Secret Service.The plea is sealed.Weaver said concerns first surfaced in early 2022 when employees noticed unusual activity at the office, including increased patient scheduling and pressure to charge more.He said a request for an audit was denied, raising further concerns.WATCH: Muskogee doctor speaks out after former office manager pleads guilty to bank fraud: Muskogee doctor speaks out after former office manager pleads guilty to bank fraudThe situation escalated after two longtime employees left the office due to those issues.When they later returned, Weaver said McCroskey denied them access to key financial systems, including payroll and business records.Once they got access, Weaver said those employees uncovered financial irregularities, including unauthorized salary increases and bonuses.I trusted her, and thats what got me, thats what made me vulnerable, Weaver said.According to the United States Department of Justice, McCroskey admitted to using her position without authorization to carry out the fraud. Court records state the scheme took place between 2016 and early 2023 and involved more than $593,000 in intended losses.Weaver said he discovered additional issues when he attempted to access business funds and found depleted accounts. He turned the information over to investigators, leading to the federal case.McCroskey is currently out on bond while awaiting sentencing, which could result in up to 30 years in prison and a $1 million fine.Weaver said, despite the legal process still unfolding, he was focused on moving forward. Were moving forward like crazy and making the most out of every opportunity."2 News Oklahoma could not reach McCroskey and her attorney.Stay in touch with us anytime, anywhere -- 2 News Oklahoma on your schedule | Download on your TV, watch for free. How to watch on your streaming device Download our free app for Apple, Android and Kindle devices. Like us on Facebook Follow us on Instagram Watch LIVE 24/7 on YouTube ...read more read less