The U.S. Drug Enforcement Administration (DEA) has announced plans to expand its operational footprint in Canada to address the emergence of domestic fentanyl production facilities.

美國緝毒局 (DEA) 已宣布計劃擴大在加拿大的行動範圍，以應對當地出現的芬太尼生產設施。

The DEA's strategic pivot is predicated on the observation that precursor chemicals, primarily originating from China, are increasingly entering the Port of Vancouver for processing within Canadian borders. DEA Administrator Terrance Cole testified before a U.S. Senate appropriations committee that Mexican cartels have established manufacturing capabilities in Canada, utilizing the northern border as a conduit for trafficking into the United States. Consequently, the DEA intends to establish two additional offices in Canada by 2027 to augment existing presences in Ottawa and Vancouver.

DEA 的戰略轉向是基於一項觀察：主要源自中國的前體化學品，正越來越多地進入溫哥華港，以便在加拿大境內進行加工。DEA 局長 Terrance Cole 在美國參議院撥款委員會作證，指出墨西哥販毒集團已在加拿大建立了製造能力，將北境邊界作為將毒品走私進入美國的通道。因此，DEA 打算在 2027 年前在加拿大增設兩個辦公室，以強化在渥太華和溫哥華的既有部署。

This shift in trafficking patterns is characterized by U.S. officials as a response to enhanced securitization of the southern U.S. border. While U.S. Customs and Border Protection data indicates that the volume of fentanyl seized at the northern border remains marginal compared to the southern border—with 2.7 kg seized in the first half of the current fiscal year versus 2,630 kg at the southern border—the DEA maintains that these Canadian 'super laboratories' possess the capacity to offset supply disruptions from Mexico. Furthermore, interdiction efforts have extended to the U.S. Postal Service to intercept shipments destined for Alaska.

美國官員將這種走私模式的轉變定義為對美國南部邊境加強安保措施的回應。雖然美國海關及邊境保護局的數據顯示，北境邊界截獲的芬太尼數量與南境相比仍微不足道——在本財政年度上半年，北境截獲 2.7 公斤，而南境則截獲 2,630 公公斤——但 DEA 主張這些加拿大的「超級實驗室」有能力抵消來自墨西哥的供應中斷。此外，攔截行動已延伸至美國郵政局，以截獲寄往阿拉斯加的貨件。

Bilateral tensions have been exacerbated by the Trump administration's classification of fentanyl as a weapon of mass destruction and the subsequent imposition of tariffs on Canadian goods, which were later invalidated by the U.S. Supreme Court. In response, the Canadian government implemented a $1.3 billion border security initiative, including the recruitment of 1,000 additional Canada Border Services Agency (CBSA) officers and the designation of Mexican cartels as terrorist entities. Concurrently, academic analysis suggests a correlation between decreased U.S. overdose deaths and a reduction in fentanyl purity, potentially indicating that diplomatic pressure on China has disrupted the primary precursor supply chain, although the permanence of such supply shocks remains a subject of scholarly debate.

川普政府將芬太尼列為大規模殺傷性武器，並隨後對加拿大商品徵收關稅（後被美國最高法院判定無效），導致雙邊緊張局勢加劇。作為回應，加拿大政府實施了一項 13 億美元的邊境安保計劃，包括招募 1,000 名加拿大邊境服務局 (CBSA) 職員，並將墨西哥販毒集團指定為恐怖組織。與此同時，學術分析顯示，美國藥物過量死亡人數的減少與芬太尼純度的下降之間存在相關性，這可能表明對中國的外交壓力已中斷了主要的前體供應鏈，儘管此類供應衝擊的持久性仍是學術討論的議題。

The U.S. is increasing its surveillance and institutional presence in Canada to mitigate the risk of northern-route fentanyl trafficking, while Canada continues to implement domestic border enhancements.

美國正增加在加拿大的監控與機構部署，以降低經北境路線走私芬太尼的風險，而加拿大則繼續實施國內邊境強化措施。