Captain James Donatello, South Hackensack Police Department
May 2026
BRIDGING THE GAP: APPLYING THE LEADER-MEMBER EXCHANGE THEORY TO MODERN LAW ENFORCEMENT
Abstract This article examines the application of Leader- Member Exchange( LMX) theory within modern law enforcement. By analyzing the six key indicators of " In-Group " versus " Out-Group " dynamics— including communication, job latitude, and mentorship— it explores how dyadic differentiation impacts agency morale and operational success. Reducing adversarial relationships and dismantling perceived " inner circles " is essential for fostering institutional trust, enhancing employee commitment, and achieving a more inclusive, high-performing department.
Bridging the Gap: Applying the Leader-Member Exchange Theory to Modern Law Enforcement
If you have ever taken a leadership science course, you have likely heard of the Leader-Member Exchange Theory. It is one of the primary leadership models evaluated in the NJSACOP Command & Leadership Academy. LMX, as it is often referred to, evaluates the relationship between the leader( you) and your“ in-group” and“ out-group” of followers. When administered correctly, the basic framework of LMX can have a substantial positive impact on organizational viability, employee success, and agency morale. It is a mutually advantageous technique for both you and your team.
What are In-Group and Out-Group Members? To better understand the“ in” and“ out” groups, you may find it helpful to refer to them in the following ways. The in-group is your inner circle and your trusted advisors. They are the personnel who you maintain close contact with and routinely consult on department decisions and direction. Similarly, you may also have personal friendships and social ties with these members outside of the workplace environment because of how strong your professional bonds are. Conversely, your out-group of followers, while equally important, hold a different place in your cadre. They are often found in the outer circle, regularly positioned in left field. Driven by a variety of reasons, you do not seek their input or advice, rather, the relationship between you and this group is more distant, formal, and impersonal. In return, they reciprocate to you the same level of energy and effort that they perceive from you. More importantly, they do not feel as though they are part of your winning team.
Over the course of time, these relationships are formed by human nature: first impressions, reputations, or just prolonged interaction to each other for years while at work. Whether you consciously or carelessly construct these groups, it produces two distinct dyads: a collection of privileged followers( the in-group) and an assortment of marginalized subordinates( the outgroup). Subsequently, this adversarial dyad can impact the entire organization when the mere belief exists that a culture of favoritism exists within the department.
Indicators of an In-Group Relationship. Leadership theory experts who developed LMX have identified six common indicators that create the in-group relationship. The first is the level of communication that the leader has with his or her in-group members. According to the LMX theory, the leader is heavily inclined to communicate more often with members of their ingroup. This could be anything from pre-announced personnel assignments to investigative updates, or sensitive information passed down the chain of command. Out-group members are relatively left in the dark or uninformed of these departmental decisions, pushing them outside the need-to-know category onto their own lonely island.
The second indicator is influence in the decision making process. Picture a scenario where the Deputy Chief requests to meet with members of his or her command staff to determine who should be appointed to lead the newly created Narcotics and Gang Unit. The Deputy Chief has five members on his or her command staff, yet they only consult with three of those members to make this decision. By excluding the remaining two members from the meeting, they can be left feeling marginalized and rejected by the Deputy Chief.
New Jersey Police Chief Magazine / 31