Level 2 Investigators
In certain situations, districts are required to use an independent, third-party investigator—particularly when allegations involve potential abuse or when neutrality is essential. When situations require a Level 2 Investigator, the stakes are high. An independent, experienced approach helps ensure the process is handled appropriately, professionally, and with integrity.
We provide Level 2 investigative services in alignment with Iowa Administrative Code r. 281-102.12, ensuring a thorough, objective, and professional process.
A Level 2 Investigator:
Our Approach
We conduct investigations that are:
What districts can expect

Tony Knox served 33 years with the Des Moines Police Department, with extensive experience in criminal and internal investigations.
His roles included assignments in the Division of Criminal Investigations, Sex Abuse Unit, and Identification Section, where he conducted forensic investigations, including homicides. He also served as a Narcotics Community Liaison.
In leadership positions, Tony served as the Chief of Police’s Executive Officer, Commander of the Police Academy, and led the Office of Professional Standards (Internal Investigations) during the final years of his career.
He has completed advanced training in investigative and interview techniques, including coursework through the FBI.
Tony’s experience brings a practical, real-world foundation to conducting thorough, objective, and defensible investigations.

John Stuelke served 38 years with the Linn County Sheriff’s Office, retiring in 2020 with the rank of Colonel and Chief Deputy.
Over his career, he held leadership roles across the jail, patrol, civil, and administrative divisions, gaining extensive experience in operations, personnel oversight, and investigations.
He is a graduate of Upper Iowa University and the FBI National Academy (Session 243) in Quantico, Virginia.
John’s background in law enforcement leadership and investigative oversight brings a practical, disciplined approach to complex and sensitive situations.