A federal court monitor says senior leaders at the Maricopa County Sheriff’s Office violated court orders and internal rules while handling employee discipline matters, placing the agency out of compliance with long-standing federal oversight requirements.
The findings are detailed in the latest report tied to the Melendres racial profiling case, which has kept MCSO under federal supervision for more than a decade.
Background
The Melendres case began under former Sheriff Joe Arpaio, after a federal judge ruled that MCSO had racially profiled Latino drivers and passengers. Since then, the Sheriff’s Office has been required to follow court-ordered reforms covering traffic stops, internal investigations, discipline, complaints, and community outreach.
The new report focuses in part on how MCSO handles internal discipline and investigations involving its own employees.
Monitor Findings
Court-appointed monitor Robert Warshaw said his team opened a special inquiry into how MCSO handled complaints and discipline matters involving Capt. Gregory Lugo, who at the time led the Professional Standards Bureau. That bureau functions as MCSO’s internal affairs unit.
According to the report, the monitor found no valid justification for opening investigations against Lugo and said the complaints did not warrant placing him on administrative leave.
The report also states that MCSO removed Lugo from his leadership role without receiving required approval from the monitor, a step mandated under existing court orders.
Leadership Responsibility
The report places responsibility on:
- Sheriff Jerry Sheridan
- Undersheriff Jeffrey Gentry
- Executive Chief Melissa Palopoli
It also raises separate concerns about Deputy Chief Matthew Summers related to internal oversight practices.
The Sheriff’s Office did not respond to a request for comment on the findings.
Internal Conflict
According to the monitor, Lugo had raised concerns about several proposals from the new sheriff’s administration. These included efforts to revisit closed discipline cases, modify or misapply disciplinary rules, and add another captain to help oversee the Professional Standards Bureau.
The report says those actions supported Lugo’s belief that the administration was targeting him, a phrase the monitor said came from Sheridan himself.
Because of how Lugo’s case was handled, the monitor concluded that 14 provisions previously deemed in full compliance are now out of compliance.
ACLU Response
The ACLU of Arizona, which represents the plaintiffs in the Melendres case, said the findings point to broader failures within MCSO leadership.
Christine Wee, a senior staff attorney with the ACLU of Arizona, said the systems designed to oversee and investigate misconduct failed in this case.
She said the situation is especially concerning because Lugo was one of the employees working directly with the court, plaintiffs, and monitor to implement reforms.
Wee said the reversal of compliance on multiple provisions has a serious impact on the reform process, but added that the plaintiffs still believe improvements are possible.
She said MCSO now has an opportunity to accept the findings, work with the involved parties, and correct course.
Details of the Lugo Case
The report outlines how complaints filed by Sgt. Aaron Engelbeck against Lugo were treated as both administrative and potential criminal matters.
According to the monitor, Undersheriff Gentry knew the allegations had already been reviewed earlier in 2024 and believed the complaint could be retaliatory. Despite that, the report says Gentry wanted an outside agency involved so MCSO would not appear biased.
The case was sent to the Arizona Department of Public Safety, which found no criminal violations.
A court-appointed outside investigator later cleared Lugo and another employee of multiple allegations, including criminal and insubordination claims.
The monitor concluded there were no credible complaints that justified placing Lugo on administrative leave.
What Comes Next
The findings do not end federal oversight but may increase scrutiny of MCSO leadership and internal processes. The court will continue reviewing compliance as the reform process moves forward.
FAQs
What case is MCSO under oversight for?
The Melendres racial profiling case.
Who issued the compliance report?
Federal court monitor Robert Warshaw.
What caused the compliance setback?
Mishandling an internal discipline case.
Who was involved in the case?
Capt. Gregory Lugo, former PSB commander.
Is federal oversight ending?
No, court supervision remains in place.
