The Books Insiderindependent audiobook data
21st Century Psychos: The Most Horrifying Killers of the Modern Era by Al Cimino

21st Century Psychos: The Most Horrifying Killers of the Modern Era: Audiobook

According to The Books Insider's catalog data, the 21st Century Psychos: The Most Horrifying Killers of the Modern Era audiobook runs 7.1 hours unabridged, narrated by Mack Gordon (about 4.7 hours at 1.5× playback speed).

7.1listening hrs
True Crimestore shelf
2025released
Free for new listeners

The instrument When will you finish it?

Based on 7.1 hours of listening.

Days to finish 21st Century Psychos: The Most Horrifying Killers of the Modern Era at common listening paces
Your paceYou'll finish in
30 min / day15 days
1 hour / day8 days
2 hours / day4 days
1 hour / day at 1.5×5 days

Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.

What our data says

  • At 7.1 hours, it is shorter than 69% of the 2,718 True Crime audiobooks in our catalog.

Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.

About this listen

21st Century Psychos: The Most Horrifying Killers of the Modern Era is an audiobook by Al Cimino: a 7.1-hour unabridged recording, read by Mack Gordon, released October 1, 2025, on the True Crime shelf.

The listen at a glance

Length
7.1 hrs
Narrated by
Mack Gordon
Released
October 1, 2025
Format
Unabridged audiobook
Language
English
Store shelves
True Crime
ISBN
9781398856585

How to listen to 21st Century Psychos: The Most Horrifying Killers of the Modern Era free

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Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.

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Questions listeners ask

How long is the 21st Century Psychos: The Most Horrifying Killers of the Modern Era audiobook?

21st Century Psychos: The Most Horrifying Killers of the Modern Era runs 7.1 hours unabridged. At 1.5× speed that drops to roughly 4.7 hours.

Is the 21st Century Psychos: The Most Horrifying Killers of the Modern Era audiobook free?

Yes, for new listeners: the trial starts you with three free audiobooks.

Who narrates 21st Century Psychos: The Most Horrifying Killers of the Modern Era?

21st Century Psychos: The Most Horrifying Killers of the Modern Era is narrated by Mack Gordon.