The Root Beer Float Murder

48 Hours44mApril 6, 2026

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AI-Generated Summary

The 48 Hours episode 'The Root Beer Float Murder' investigates the chilling case of Marsha Allen, who allegedly conspired with her daughter Ashley Jones to murder Marsha's husband, Harold Allen, a man known as 'Peanut' in their rural Indiana community. Harold, a diabetic with ongoing health issues, died suddenly in December 2022, initially ruled from heart problems. However, nine months later, a burglary at Marsha’s home led to the arrest of Stephen White, a friend of Ashley’s, who claimed Marsha had poisoned Harold with ethylene glycol in a root beer float. This accusation triggered a deep investigation that uncovered thousands of incriminating text messages between Marsha and Ashley, detailing their plot to kill Harold using a series of poisons—including pong pong seeds and water hemlock—over several months. When these attempts failed, they switched to ethylene glycol, a tasteless, odorless chemical found in antifreeze, which they administered via a root beer float. The toxicology report confirmed the presence of ethylene glycol in Harold’s system, validating the murder theory. Marsha, after being confronted with the evidence, took her own life, leaving a note stating, 'I did not kill my husband. You win, Ashley!' Ashley was subsequently arrested, pleaded guilty to attempted murder and conspiracy to commit murder, and was sentenced to 50 years in prison. The episode also raises suspicions about Ashley’s role in the death of her first husband, Ty Jones, whose 2019 death was ruled a heart attack but now appears suspicious due to inconsistencies and Ashley’s behavior. The case reveals a disturbing pattern of manipulation, greed, and calculated cruelty, with Harold’s family mourning a man they believed was loved but who was, in reality, systematically murdered by those closest to him.

Key Takeaways
1

Marsha Allen and her daughter Ashley Jones plotted to murder Harold Allen over months using multiple poisons, culminating in a fatal root beer float laced with ethylene glycol.

2

The investigation was triggered by a burglary, not the murder itself, highlighting how a seemingly unrelated crime uncovered a decades-long conspiracy.

3

Thousands of text messages between Marsha and Ashley revealed their glee and obsession with killing Harold, including jokes and celebratory language about their plans.

4

Harold’s initial death was ruled cardiac-related, but retesting of his stored blood confirmed poisoning with ethylene glycol, validating the murder theory.

5

Marsha committed suicide after being confronted with the evidence, leaving a note that suggests she admitted guilt while denying responsibility.

…and 2 more takeaways available in PodZeus

Chapters
0:00
10 min

The Burglary That Uncovered a Murder

This woman is a f***ing murderer. Okay. I know that. I have not gone to nobody and said anything because I don't have no proof on it.

Highlight
10:00
10 min

The Poisoned Root Beer Float

If you put it in a root beer float with ice cream and root beer, you're not going to know until it's too late.

Highlight
20:00
10 min

The Text Messages That Confessed

I'm ready for that to arrive. Marsha replied, me too. They texted about everything.

Highlight
30:00
10 min

The Final Poison and the Fatal Float

After multiple failed attempts, Marsha and Ashley switched to ethylene glycol, ordering it online and using it in a root beer float. Harold died the next day, and the plan was confirmed by the toxicology results.

40:00
10 min

The Fall of Marsha and the Rise of Ashley

I did not kill my husband. You win, Ashley!

Highlight
High-Impact Quotes
I did not kill my husband. You win, Ashley!
Marsha Allen34:30
Viral: 92.0
This woman is a f***ing murderer. Okay. I know that. I have not gone to nobody and said anything because I don't have no proof on it.
Stephen White15:18
Viral: 90.0
They're the same person. I mean, just carbon copy evil.
Lieutenant Adam Nicholson41:34
Viral: 88.0
Speakers

Host

Anne-Marie Green

Guests

Lieutenant Adam NicholsonDetective Clint BurchamJackson County Prosecutor Lindsay FleetwoodMatthew AllenSamantha AllenWilliam JonesAretha StiversJoseph Robertson
Topics Discussed
murder by poison95%family betrayal90%text message evidence88%life insurance fraud85%psychological manipulation82%postmortem investigation80%suicide after arrest78%multiple murder suspects75%
People & Brands

Marsha Allen

person

120xNeutral

Harold Allen

person

115xNegative

Ashley Jones

person

98xNeutral

Stephen White

person

35xNegative

Lieutenant Adam Nicholson

person

28xPositive

Detective Clint Burcham

person

25xPositive

Jackson County Sheriff's Department

organization

18xPositive

Matthew Allen

person

15xNeutral

Ethylene Glycol

other

15xNegative

Samantha Allen

person

14xNeutral

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