Northern Exposure: Assessing the Evolving Threat Landscape at America's Northern Border

Immigration Enforcement and Sanctuary PoliciesHomeland Security Subcommittee on Border Security and Enforcement · 2026-06-30 · 119th Congress
The Homeland Security Subcommittee on Border Security and Enforcement held a joint hearing with the Counterterrorism and Intelligence Subcommittee to examine security challenges along the roughly 4,000-mile northern border with Canada, including shifting smuggling routes, staffing and technology gaps, and terrorism screening concerns. Begins at 0:50:01
Transcript
Highlights

Title

Northern border security threats, staffing, and enforcement tactics scrutinized

Purpose

The Homeland Security Subcommittee on Border Security and Enforcement held a joint hearing with the Counterterrorism and Intelligence Subcommittee to examine security challenges along the roughly 4,000-mile northern border with Canada, including shifting smuggling routes, staffing and technology gaps, and terrorism screening concerns. Witnesses from Border Patrol, CBP's Office of Field Operations, HSI, and GAO testified on encounter and seizure trends, while Democratic members used the hearing to press witnesses on ICE/CBP tactics, use-of-force incidents, and immigration enforcement diverted from the northern border into US cities. Begins at0:50:01

Who spoke

Chairman (Mark Guest)0:50:01: Opened the hearing, noting northern border encounters have more than doubled as a share of national encounters since FY23 and drug seizures have hit record levels0:52:51; later questioned Snyder on encounter/seizure trends1:35:16 and McLeod on GAO staffing findings1:38:14.

Ranking Member Korea (D-CA)0:55:17: Warned against aggressive tactics on US citizens, cited masked agents, facial recognition databases, and warrantless home entries0:58:58; cited the shooting deaths of Renee Good and Alex Petty and the shooting of Mamar Martinez1:01:18; later pressed Croll on polling-place law and warrantless entries1:39:50.

Chairman Fluger (R-TX)1:02:50: Framed the hearing around counterterrorism vulnerabilities and terror-watch-list crossings from Canada, citing the World Cup as a heightened-risk event1:03:47.

Ranking Member Thompson (D-MS)1:06:31: Said nearly 43% of ICE detainees by January 2026 had no criminal conviction or charges1:07:42; cited $70 billion in new DHS funding on top of $140 billion from last year's reconciliation bill1:10:54.

Jason Schneider, Acting Deputy Chief, Border Patrol1:13:50: Said northern border apprehensions fell 67% in FY25 and another 22% this fiscal year while overall seizures fell 55%1:15:10; said the agency aims for 3,500 agents on the northern border1:37:20 and does not yet have full operational control or 100% situational awareness1:37:411:38:04.

Chris Holtzer, Executive Director of Operations, OFO1:19:14: Said OFO seized nearly 11,000 pounds of narcotics on the northern border in FY25, a 51% increase over FY241:21:05, and described Operation Motor City and Operation Northern Lights1:21:35; later said CBP is not tracking disciplinary action for tear gas used against children2:16:582:19:11.

Michael Croll, Assistant Director, HSI Domestic Operations1:24:08: Described HSI's 8,500 agents and presence in Canada, cited a smuggling case killing eight aliens including two children1:25:58, 70 firearms-trafficking investigations yielding 400 firearms seized1:27:13, and a $21 million elder-fraud scheme1:27:40; later could not give numbers on agents diverted from child exploitation cases but agreed a reported 33% reduction in hours "sounds somewhat accurate"2:01:162:01:42.

Heather McLeod, Director, GAO Homeland Security and Justice1:28:58: Said GAO found CBP lacks performance metrics to gauge northern border security effectiveness1:30:47 and that CBP staffing on the northern border decreased from 2019 to 2024 even as authorized levels rose1:31:18.

Mr. Brew Keane (R-OK)1:55:26: Asked about non-domiciled commercial driver's licenses, Chinese nationals crossing the northern border, and fentanyl trends, with witnesses saying Chinese-national crossings have "drastically reduced"1:58:17.

Mr. Magaziner (D-RI), CTI Ranking Member2:00:42: Cited a New York Times report of 33% fewer HSI hours on child exploitation and a 73% drop in illegal weapons seized2:03:15; pressed Schneider on Agent Charles Exum's transfer from Maine to Chicago before the Mamar Martinez shooting2:04:13.

Ms. Biggs (R-SC)2:06:15: Cited northern border encounters rising from 5.92% to 13.08% of total incidents2:06:41; discussed her Mobilizing Against Sanctuary Cities Act and asked how sanctuary jurisdictions hinder agent database access2:09:42.

Ms. Johnson (D-TX)2:11:16: Questioned McLeod on the lack of performance metrics [1:38:14 to 2:12:08] and pressed panel on whether DHS is withholding $1 billion in funding from states over election disputes2:13:00.

Mr. Walkinshaw (D-VA)2:15:10: Asked about disciplinary action for use of tear gas against children, then played video of a mother and child affected by chemical munitions2:17:47; secured a commitment from Holtzer to report back on disciplinary actions2:20:15.

Ms. Ramirez (D-IL)2:20:46: Cited nearly 3,800 immigrants detained and 2,500 deported, including 162 children, during Operation Midway Blitz in Chicago2:23:28; asked Schneider whether CBP's open-source intelligence team tagged Mamar Martinez as a threat before she was shot2:24:21.

Mr. Kennedy (D-NY)2:26:15: Described $116 million in daily Buffalo-border merchandise trade and long port wait times from diverted officers2:27:24; raised the death of Nuru Amin Shaalam after release from Border Patrol custody near Buffalo2:30:07.

Mr. Green (D-TX)2:32:09: Asked Croll about HSI's role in the FBI's anti-government violent extremism task force under NSPM-72:32:41; pressed Schneider on the code of ethics and the Border Patrol agent who allegedly boasted about shooting Mamar Martinez2:35:03.

Key moments

Croll testified a failed human-smuggling attempt from Canada killed eight migrants, including two children, and HSI arrested six members of the responsible network1:25:58.

Schneider confirmed northern border apprehensions fell 67% in FY25 and 22% further this fiscal year, while border-wide drug seizures fell 55% even as within-region seizures rose1:35:481:36:24.

Korea and Thompson both cited the fatal shooting of Mamar Martinez by a Border Patrol agent, quoting the agent's alleged text bragging "I fired five rounds and she had seven holes"1:01:421:09:28; Green later pressed Schneider on whether that would breach the agency's code of ethics2:35:15.

Magaziner cited New York Times reporting that HSI agents worked 33% fewer hours on child exploitation cases and indictments fell 28% under reassignment to immigration enforcement; Croll said the 33% figure "sounds somewhat accurate"2:01:162:01:42.

Walkinshaw played video of a mother and crying child affected by chemical munitions and cited a ProPublica finding of 79 children hit with tear gas/pepper spray by DHS personnel, while Holtzer said he was not aware of any officer disciplined2:16:582:19:17.

McLeod testified GAO found CBP lacks performance metrics to assess northern border security effectiveness and that CBP staffing fell from 2019–2024 despite rising authorized levels1:30:471:31:18.

Thompson cited a report that nearly 43% of ICE detainees by January 2026 had no criminal conviction or charges1:07:42.

Kennedy raised the case of Nuru Amin Shaalam, found dead in Buffalo after release from Border Patrol custody without family or attorney notification; Schneider said the subject was in custody roughly 2 hours 45 minutes and requested drop-off at a coffee shop2:31:112:31:35.

Magaziner asked how many Border Patrol officers were diverted from the northern border to Chicago's Operation Midway Blitz and Minneapolis's Operation Metro Surge; Schneider said "far less" than under the prior administration but could not give a specific number2:05:152:05:25.

Ramirez said CBP's open-source intelligence team tagged Mamar Martinez as a threat based on a social media post and disseminated her photo before she was shot; Schneider said the operation was DHS-led and he had no direct information2:24:342:25:00.

Metadata

CommitteeHomeland Security Subcommittee on Border Security and Enforcement
Chamber / CongressHouse · 119th Congress
Date2026-06-30
TypeHearing
Witnesses
Mr. Michael Krol — Assistant Director, Domestic Operations, Homeland Security Investigations, U.S. Immigration and Customs Enforcement
Ms. Heather MacLeod — Director, Homeland Security and Justice, U.S. Government Accountability Office
Mr. Jason Schneider — Acting Deputy Chief of the Operations Directorate, Border Patrol, U.S. Customs and Border Protection
Mr. Chris Holtzer — Executive Director of Operations, Office of Field Operations, U.S. Customs and Border Protection
Videoyoutube
Transcript418 caption blocks · 15,777 words · 2:39:10 runtime
EventCongress.gov 119363