Find the flaw before it finds you.
Eleven leadership flaws sit underneath almost every career-ending mistake a supervisor makes. Most leaders never learn which one is theirs. You can, in about four minutes, and then fix it on purpose instead of waiting for a bad night to find it for you.
Which of the 11 Fatal Flaws is closest to the surface for you?
Eleven honest questions about how you actually lead a shift. You get your score on screen immediately, your three most exposed flaws ranked, and a full color-coded breakdown by email with one thing to do about each in the next thirty days.
The 11 Fatal Flaws of Leadership
Every flaw has a name, a real case behind it, and a chapter in the book. The assessment tells you which three to work on first. The Crucibles teach you how.
One framework. Two stages. Start where you are.
A sergeant and a captain fail the Control Trap in completely different ways, so the training is built in two stages. Both are delivered at your agency or, for the Sergeant’s Crucible, online at your own pace.
The Sergeant’s Crucible
- 17 modules: the transition from peer to leader, before the mistakes that define a reputation
- Online and self-paced (quizzes, certificate), or in person at your agency
- Certificate of completion with documented contact hours; state training credit by request
- Supervisor dashboard so your training coordinator can see progress by module
The Commander’s Crucible
- Multi-day, in person, scenario-based: Self, Incident, Organization, Leader-Producer, Capstone
- Co-taught with Chief Randal Moody (Ret.), 30 years from frontline supervisor to chief
- Decision-making under pressure, liability, culture, and developing the leaders beneath you
- Certificate of completion with documented contact hours
From the people who sat in the class
Even with my own 30 plus years in law enforcement, Sean's training significantly rewired my approach, enabling me to better lead the new generation of officers. His A.I.O. Leadership principles have not only transformed my professional life but have also become a guiding force in my daily life.
Sgt. Miguel RiccioMassillon (OH) Police DepartmentHis magnetism in the classroom immediately drew the entire class in. After his class, I changed some of how I approached things with the officers I supervised, with great results. It was obvious that he cared deeply about leadership training and impacting people's lives in a positive way.
Sgt. Daniel HarpCooke County (TX) Sheriff's OfficeGraduates of his training leave not only with greater confidence to tackle challenges within their agencies, but also with the tools to lead effectively in their personal lives. Perhaps most importantly, you leave with a lifelong ally, a mentor committed to helping you face challenges head-on.
Chief Randal Moody (Ret.)Harrisonville (MO) Police Department
A.I.O. Leadership for Law Enforcement
All eleven flaws, each with a real case and a Choose Your Own Leadership Adventure scenario: you make the call, then you see where it leads. 306 pages written for the supervisor who has a shift tomorrow, not for a seminar. Foreword by Pete Gaynor, former Acting Secretary of Homeland Security.
Tell me where to send it. You get the chapter on this page right away and a copy in your inbox.
You are three weeks into your first sergeant assignment. Your former partner, now under your command, shows up twenty minutes late for the second time this week and makes a joke about it in front of the squad. What do you do?
The Supervisor’s Dilemma, published by Police1
A real situation a new supervisor faced, the options on the table, and the move that holds up. Start with these.
“His boots have more time than you do”
What to do when the senior officer on your squad has decided you have not earned the stripes yet.
April 2026Police1 · The Supervisor’s DilemmaHe still sees you as his partner
The transition from peer to leader, and the moment the friendship and the job collide.
June 2026Police1 · What Cops Want 2026What 84% of police officers want from their leaders
One number from Police1’s survey of 1,777 officers that every police leader needs to know, and what to do about it.
June 2026
Street Tested Leadership
Leaders from policing, the military, business, and sport answer one question: when did you get Street Tested? The moment that forged them, and the leadership lessons that came out of it. Leadership you can’t fake.
Book Sean to speak
Closing keynotes, half-day and full-day conference sessions, and in-service leadership blocks for police and corrections associations. Built from 23 years on the street, a mass-casualty incident he commanded, and a framework your supervisors can use on their next shift. No theory, no motivational fog.
Signature sessions: The 11 Fatal Flaws of Leadership · The First Twenty Minutes: commanding the incident you did not plan for · Your Supervisors Are Your Retention Strategy
Lt. Sean M. Carroll (Ret.)
Sean began leading people as a United States Marine, graduating from Parris Island as Company Honor Man, the highest honor a recruit can earn. He then spent 23 years with the Providence, Rhode Island Police Department, rising to Lieutenant and Commanding Officer, leading teams through high-risk incidents, violent confrontations, and community crises. On May 4, 2014, he was the Incident Commander for the Ringling Bros. aerial apparatus collapse at the Dunkin’ Donuts Center, a mass-casualty incident that became the basis for The First Twenty Minutes.
He has taught leadership to police and corrections supervisors across the country for more than twenty years. He is an IADLEST National Certified Instructor, an adjunct professor at Roger Williams University’s Justice System Training and Research Institute, a Police1 columnist, and the author of A.I.O. Leadership for Law Enforcement. He holds a master’s degree in criminal justice from Boston University.
Today he leads A.I.O. Leadership, LLC, focused on one problem: the leadership gap that is driving good officers out of the profession.
He is the kind of person that you could always depend on and had that innate ability to see and sense situations and come up with quick problem-solving solutions. He is a fine person with a great sense of duty.
Chief Stephen McCartneyWarwick (RI) PD (Ret.); Major, Providence PD (Ret.)