What have Minneapolis investigations (MBI, city) concluded about the devices used during the Jan. 14 federal operation?

Checked on January 16, 2026
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Executive summary

The Minneapolis investigations and city statements have not produced a definitive, independent finding that changes the basic reporting: federal agents used chemical irritants and crowd‑control munitions during the Jan. 14 enforcement operation, but state investigative authorities were largely sidelined from a formal joint probe and no state conclusion about the lawfulness or appropriateness of those specific devices has been released [1] [2] [3]. Public accounts from local officials and news outlets describe deployment of tear gas, pepper balls and related munitions at protests tied to the operation, even as the Bureau of Criminal Apprehension (BCA) deferred to federal investigatory control and the FBI-led inquiry remained the operative investigation [1] [3] [4].

1. What the scene looked like: reporting of specific devices used

On Jan. 14, multiple outlets recorded federal agents deploying chemical irritants and so‑called crowd‑control munitions during clashes outside a federal facility and in north Minneapolis — descriptions that include tear gas, pepper balls and “riot control grenades,” and photographic reporting of agents with crowd‑control launchers — language repeated by local and national press and visible in photos and video from the scene [1] [2] [5]. Those operational details are reported by journalists and local authorities who witnessed or documented the confrontations, and they form the factual basis for claims about which devices were used during the enforcement operation [1] [2].

2. What Minneapolis state investigators (BCA) have officially said — and not said

The Minnesota Bureau of Criminal Apprehension publicly stated that it was not conducting a use‑of‑force investigation into the Jan. 7 ICE shooting that triggered the wider surge of federal activity, and it said it expected the FBI to conduct a “thorough and complete investigation” and to share the investigative file with appropriate prosecutorial authorities [3]. That statement and the broader sequence of events indicate the BCA did not assert its own independent finding about the devices used during the Jan. 14 operation; instead, the BCA deferred to the FBI for the investigative lead and did not produce a separate technical or legal conclusion about crowd‑control weapons [3].

3. City leaders’ conclusions and accusations about tactics and transparency

City officials, including Mayor Jacob Frey and other local leaders, publicly condemned federal accounts and raised alarms about the militarized nature of the operations and the use of forceful crowd‑control measures; they pressed for transparency and demanded state inclusion in any investigation, arguing that federal officials had already framed the narrative and were not being forthcoming about tactics or evidence [6] [7]. Minneapolis reporting and statements from city leadership emphasize that chemical irritants and munitions were used and that the community experienced aggressive crowd‑control tactics, but those are policy and political assessments rather than formal forensic findings [2] [6].

4. Investigative friction: who controls evidence and the consequence for device findings

The federal government’s decision to centralize the probe under the FBI and to block full state participation—documented in contemporaneous reporting about a breakdown in the usual joint‑investigation playbook—means that Minnesota authorities have had limited access to the full investigative files that would support a separate, authoritative conclusion about the propriety or technical classification of the devices used on Jan. 14 [8] [3]. Experts quoted in coverage warned that the lack of cooperative investigations can undermine public trust and prevent a clear, mutually accepted accounting of tactics and weapons deployed [9].

5. Bottom line and limits of the public record

The public record from Minneapolis investigations and city officials confirms that federal agents used chemical irritants and crowd‑control munitions during the Jan. 14 operation, and Minneapolis authorities have publicly objected to those tactics and sought participation in investigations [1] [2] [6]. However, there has been no published, independent Minneapolis state investigative finding that dissects or legally adjudicates the devices’ classification, appropriateness, or compliance with state law because the BCA deferred to the FBI and state access to the investigative materials was constrained; therefore any definitive forensic or legal conclusion from Minneapolis investigators about the devices is not available in the cited reporting [3] [8].

Want to dive deeper?
What has the FBI disclosed so far about the specific crowd‑control munitions used in Minneapolis operations?
How do state and federal jurisdictional rules govern joint investigations of federal agents using crowd‑control devices?
Have independent forensic or civil‑liberties organizations analyzed bodycam or video showing device deployment during the Jan. 14 operation?