Inside Cartel Conflict and the Reality At The Border | Oscar Hagelsieb | Ep. 435

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Cleared Hot

Society & Culture

4.9 • 11.2K Ratings

🗓️ 2 March 2026

⏱️ 160 minutes

🔗️ Recording | iTunes | RSS

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Summary

Oscar Hagelsieb is a Mexican-American law enforcement professional known for his lengthy career in U.S. federal service focused on border security, organized crime and cartel infiltration. He grew up in a tough neighborhood on the outskirts of El Paso, Texas, the son of undocumented immigrant parents. His upbringing gave him firsthand insight into both sides of the border and influenced his decision to pursue a career in federal law enforcement.

Hagelsieb began his federal service as a U.S. Border Patrol Agent, where he worked in frontline enforcement along the U.S.–Mexico border. In that role he encountered families and migrants crossing for economic opportunity as well as experienced cartel-linked smuggling activity.

Building on his effectiveness and his deep understanding of local culture and language, Hagelsieb transitioned into undercover work, infiltrating narcotics and human smuggling networks tied to major Mexican drug cartels. His appearance and background were strategic assets in these operations, allowing him to navigate criminal subcultures and gather actionable intelligence that led to prosecutions.

Over time, he rose through the ranks to become the Assistant Special Agent in Charge (ASAC) of the Homeland Security Investigations (HSI) office in El Paso. In this senior leadership position, he oversaw complex investigations into transnational organized crime, cartel logistics, and cross-border smuggling operations, and managed both domestic and international law enforcement efforts.

His work and perspective were featured in the documentary Kingdom of Shadows, which examines the human realities of the drug war and cartel influence along the border, providing rare insight into the lived experience of agents operating within these conflicts.

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Transcript

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0:00.0	Okay, got the red smoke.
0:03.0	Dr. Gun runs. North and south.
0:06.0	West of the smoke.
0:07.0	West of the smoke.
0:08.0	Okay, copy, west of the smoke.
0:11.0	I'm looking at danger close now.
0:13.0	Come on winter, baby. Give it to me. I need it.
0:16.0	You cleared hot.
0:17.0	You made it, Oscar. I made it. You made it. Shall we do it? You asking me? I'm ready. I'm ready. I don't think Jesse would mind if we said that he was the one who connected us. I think he'd be okay with it. How do you know Jesse James? You know what I know Jesse from the car scene first of all? Okay. That actually makes sense. Yeah. And you know, but I wasn't really like he, I wasn't anybody that he would kind of recognize or whatever. It wasn't until they did a documentary in my life. Yeah. Which I watched last night by the way. Oh, okay. Okay. did you like it? It's a lot.
0:55.9	It is a lot.
0:56.5	We're talking about the same documentary where one of by the way. Oh, okay. Okay. Did you like it? It's a lot.
0:55.9	It is a lot. We're talking about the same documentary where they, one of them was the, uh, it was a drug runner in Texas, marijuana run in Texas, you, and then it was a, uh, I want to say priest, but that's not the right word. Catholic nun? Catholic nun. That's what it is. I thought it was fantastic. it's a lot to digest.
1:12.5	Right.
1:13.9	When they were
1:14.7	shown the pictures of the barrels with the large holes placed in them and they talked about how
1:19.1	five gallons of diesel can disappear a human being from planet Earth. Right. And they stuff
1:23.2	them in head first. Right. And the guy with the neoprene mask on was saying he couldn't eat chicken
1:27.4	for a month
1:28.0	afterwards. It's like, okay. It's a lot, man. It is a lot. And a lot of people don't realize,
1:35.6	like, for example, yourself with, you know, experience in the Middle East, I imagine, and all that.
1:39.4	You see that over there, right? I never saw that. I'll be honest, that type of, you saw violence and
1:46.0	you saw indiscriminate violence and you saw a culture that valued life very differently.
	...

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