Plain-language summary (this site, from the cited record only)
Lieutenant Gilbert Nielsen III received a 30-day suspension from the Middlesex County Sheriffs Office in 2025. On November 8, 2024, Nielsen called another lieutenant degrading names and used profane language in the presence of other personnel. He denied the conduct during his interview, but the investigation found it occurred numerous times, and some of his statements to Internal Affairs were untruthful. Sustained charges included Conduct Unbecoming, Harassment in the Workplace, and Truthfulness.
Conduct towards Superior and Subordinate Officers and Associates
Standard of Conduct
Harrassment in the Workplace
Truthfulness
Separated while IA pending
No
Synopsis as reported by the agency
On November 8, 2024, Lt. Nielsen called another Lieutenant degrading names and used profane language. This incident occurred in the precense of other personnel. Altough Lt. Nielsen denied this during the course of his interview, the investigation proved this occured numerous times. Aditionally, during the interview with Internal Affairs, some of the statements made by Lt. Nielsen were untruthful.
Compensation and pension
No confident pension match found. This site links a pension record to a named officer only when the name and the exact employing agency both match a New Jersey Treasury record. Where that bar is not met, nothing is shown rather than a guess. See methodology for how these matches are made and what is withheld.
Similar records
AnalysisComputed by this site from shared agency, year, charge category, and sanction outcome. Not a legal or factual equivalence.
Sustained charge(s): Standard of Conduct, Neglect of Duty, Performance of Duty, Incompetency, Inefficiency, or failure to Perform duties, Conduct Unbecoming a…
same agency · same year · similar sanction outcome
Edwin Mata · Middlesex County Sheriff's Department · 2025
Suspended 20 days
Sustained charge(s): Other Sufficient Cause, Prohibited Activity on Duty, Use of Recording and Electronic Transmissions
same agency · same year · similar sanction outcome
Deseree Reid · Middlesex County Sheriff's Department · 2025
Suspended 6 days
Sustained charge(s): MCSO Rules and Regulations: Weapons and Ammunitions Policy, Care of Firearm
same agency · same year · similar sanction outcome
Janaysia James · Middlesex County Sheriff's Department · 2024
Sustained charge(s): NJAC-Neglect of Duty, Other Sufficient Cause, MCSO R&R Carrying a Firearm on Duty
same agency · similar sanction outcome
Questions and answers
What is a summary of Gilbert Nielsen III's major discipline record?
Lieutenant Gilbert Nielsen III received a 30-day suspension from the Middlesex County Sheriffs Office in 2025. On November 8, 2024, Nielsen called another lieutenant degrading names and used profane language in the presence of other personnel. He denied the conduct during his interview, but the investigation found it occurred numerous times, and some of his statements to Internal Affairs were untruthful. Sustained charges included Conduct Unbecoming, Harassment in the Workplace, and Truthfulness.
What is Gilbert Nielsen III's major discipline record at Middlesex County Sheriff's Department?
Gilbert Nielsen III has one major discipline record at Middlesex County Sheriff's Department in the New Jersey Attorney General's 2020-2025 releases, from 2025. These are final, adjudicated actions, not allegations.
Does Gilbert Nielsen III's record show a termination?
The major discipline records shown here do not report a termination for Gilbert Nielsen III at Middlesex County Sheriff's Department.
How does Middlesex County Sheriff's Department score on this site's report card?
This site's report card places Middlesex County Sheriff's Department in the highest fifth of peers of its peer group on reported internal affairs volume and discipline severity. The grade is analysis by this site, not an official rating, and it describes the department, not Gilbert Nielsen III individually.
Sources
[1]New Jersey Major Discipline Data, 2020-2025. New Jersey Office of the Attorney General. Sheet "Major Discipline Data", row 443. Snapshot retrieved 2026-07-03. ↩