What does the Fatal Encounters dataset record about this incident?

Fatal Encounters records that Elvin Jesus Diaz died on May 21, 2015 in Hackensack, Bergen County, with "Gunshot" as the highest level of force. Fatal Encounters is an independent, crowdsourced dataset of deaths that occurred during police encounters of any kind; a record is not a finding of fault or misconduct.

Which agency or agencies were recorded as involved?

The record's agency field reads "Hackensack Police Department". Presence in that field means the agency appears in the record as reported, nothing more; it is not a claim of fault or responsibility by any officer or agency.

Where did this happen?

The record places the death in Hackensack, Bergen County, on May 21, 2015. The address as recorded is 10 block Temple Ave Hackensack NJ 07601 Bergen.

Does this record mean police caused or were at fault for this death?

No. Fatal Encounters documented deaths that occurred during police encounters of any kind, including vehicle pursuits and crashes, suicides that occurred in police presence, and medical emergencies. This record documents that a death occurred during an encounter; it is not a finding of fault, misconduct, or wrongdoing, and it has no connection to the discipline records elsewhere on this site.

Fatal Encounters record · Independent third-party dataset

Elvin Jesus Diaz

May 21, 2015 · Hackensack, Bergen County

Details as recorded

Every value below is shown exactly as Fatal Encounters recorded it.^[1]

Name as recorded: Elvin Jesus Diaz
Age as recorded: 24
Gender as recorded: Male
Race as reported: European-American/White
Date of the injury resulting in death: May 21, 2015
Location as recorded: Hackensack, Bergen County10 block Temple Ave Hackensack NJ 07601 Bergen
Highest level of force as recorded: Gunshot

Agencies as recorded

Agency or agencies involved, as recorded: Hackensack Police Department

An agency appears here because it appears in the record's as-reported agency field, nothing more. Its presence is not a claim of fault or responsibility.

Department pages (matched by this site at high confidence)

Hackensack Police Department

The source's account

Fatal Encounters' description of the incident, verbatim. This is the source project's own third-party narrative, not this site's reporting.

Three city police officers went to 10 Temple Avenue around 1:30 p.m. to check on Elvin Diaz at the request of county probation officials. Hackensack Police Director Michael Mordaga said Diaz was armed with "a very large knife" when the shooting occurred.

Source reported by Fatal Encounters: http://www.nj.com/bergen/index.ssf/2015/05/police-involved_shooting_under_investigation_in_ha.html (external link, as recorded in the dataset).

If you are a family member of the person named here, or represent one, and something in this record is wrong, or you want the record removed, requests go through the corrections page. Every request is checked against the source record.

This record is one of the dataset's New Jersey entries from 2000 to 2021. Browse every New Jersey Fatal Encounters record by year.

Questions and answers

What does the Fatal Encounters dataset record about this incident?: Fatal Encounters records that Elvin Jesus Diaz died on May 21, 2015 in Hackensack, Bergen County, with "Gunshot" as the highest level of force. Fatal Encounters is an independent, crowdsourced dataset of deaths that occurred during police encounters of any kind; a record is not a finding of fault or misconduct.
Which agency or agencies were recorded as involved?: The record's agency field reads "Hackensack Police Department". Presence in that field means the agency appears in the record as reported, nothing more; it is not a claim of fault or responsibility by any officer or agency.
Where did this happen?: The record places the death in Hackensack, Bergen County, on May 21, 2015. The address as recorded is 10 block Temple Ave Hackensack NJ 07601 Bergen.
Does this record mean police caused or were at fault for this death?: No. Fatal Encounters documented deaths that occurred during police encounters of any kind, including vehicle pursuits and crashes, suicides that occurred in police presence, and medical emergencies. This record documents that a death occurred during an encounter; it is not a finding of fault, misconduct, or wrongdoing, and it has no connection to the discipline records elsewhere on this site.

Sources

[1]Fatal Encounters, New Jersey subset. Fatal Encounters (fatalencounters.org). Row 12177. Derived from the public Fatal Encounters national dataset (coverage 2000-2021; collection ended December 2021), https://fatalencounters.org/. Retrieved July 10, 2026. ↩