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United States of Murder

New Mexico: The Rio Grande Park Murders and Kaitlyn Arquette

United States of Murder

Ashley and Lacey

True Crime

4.6564 Ratings

🗓️ 27 April 2026

⏱️ 64 minutes

🧾️ Download transcript

Summary

This week, we’re in New Mexico discussing the Rio Grande Park Murders. Then we’ll talk about a murder that took over 30 years to solve. Buckle up and join us on this dark and twisted ride through the Land of Enchantment.


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Read: Who Killed My Daughter by Lois Duncan

Sources: Grand Pinnacle Tribune, Jim Hinckley’s America, KOAT, Unsolved Mysteries, Oxygen - Lois Duncan's Daughter

Transcript

Click on a timestamp to play from that location

0:00.0

This podcast may contain adult language and situations, graphic, gory details, and other not-so-nice things.

0:07.5

Listener discretion is advised.

0:19.1

I'm Ashley, and I'm Lacey, and this is United States of murder.

0:24.6

This week we're in New Mexico discussing the Rio Grande Park murders.

0:30.8

Then we'll discuss another murder that took over 30 years to solve.

0:36.1

So buckle up and join us on this dark and twisted

0:39.1

ride through the land of enchantment. Early on a Sunday in May of 1935, two couples from Illinois

0:48.2

set out on an iconic road trip along Route 66. Their ultimate destination was San Diego, so that's a pretty long trip.

1:00.0

But they planned a detour to see the new Boulder Dam, aka the Hoover Dam.

1:07.0

Fun fact, it was called Boulder Dam between 1930 and 1947.

1:12.7

Yeah.

1:14.0

Anyway, the couples were 50-year-old George and Laura Lourius, Albert and Tilly Hebrer.

1:24.1

George owned a coal company and ice company in East St. Louis and was pretty wealthy.

1:31.1

His good friend Albert was a barber in Illinois.

1:35.4

The couple often traveled together on both weekend trips and obviously longer vacations.

1:41.5

I mean, they're going all the way to San Diego.

1:43.5

I hope they like each other.

1:45.6

They were all in their early to mid-50s, and neither couple had children. So they were kind of at

1:53.1

the same point in life, just they had money and they traveled. Good to have friends to go with.

1:59.7

Yeah. Yeah. George was the planner planner and he was known for his attention

2:02.9

to detail so he was in charge of mapping out this entire trip can you imagine doing all that

2:10.7

driving with the paper map um what year is this 1935, it's probably a lot easier then.

...

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