Why Kill the Innocent: Audiobook
Book 13 of the Sebastian St. Cyr Mysteries series
According to The Books Insider's catalog data, the Why Kill the Innocent audiobook runs 10.4 hours unabridged, narrated by Davina Porter (about 6.9 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 10.4 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 21 days |
| 1 hour / day | 11 days |
| 2 hours / day | 6 days |
| 1 hour / day at 1.5× | 7 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 10.4 hours, it runs longer than 76% of the 22,296 Police & Detective audiobooks in our catalog.
Catching up on Sebastian St. Cyr Mysteries
This is book 13. Books 1 to 12 run 123.1 hours before it; books 1 to 21 run 222.2 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | What Angels Fear | 11.8 hrs |
| 2 | When Gods Die | 10.2 hrs |
| 3 | Why Mermaids Sing | 8.5 hrs |
| 4 | Where Serpents Sleep | 10 hrs |
| 5 | What Remains of Heaven | 8.7 hrs |
| 6 | Where Shadows Dance | 9.4 hrs |
| 7 | When Maidens Mourn | 10.4 hrs |
| 8 | What Darkness Brings | 11.2 hrs |
| 9 | Why Kings Confess | 10.8 hrs |
| 10 | Who Buries the Dead | 10.6 hrs |
| 11 | When Falcons Fall | 10.9 hrs |
| 12 | Where the Dead Lie | 10.6 hrs |
More narrated by Davina Porter
Davina Porter narrates 183 unabridged audiobooks in our catalog, 2,579 hours in all.
- Outlander
- Dragonfly in Amber
- Voyager
- Drums of Autumn
- The Fiery Cross
About as long, on the Police & Detective shelf
5,025 Police & Detective audiobooks in our catalog run within 10% of this length. The most popular on the store:
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
Why Kill the Innocent is book 13 of C.S. Harris's Sebastian St. Cyr Mysteries series: a 10.4-hour unabridged recording, read by Davina Porter, released April 3, 2018, on the Police & Detective shelf.
The listen at a glance
- Length
- 10.4 hrs
- Narrated by
- Davina Porter
- Released
- April 3, 2018
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Police & Detective
- Series
- Sebastian St. Cyr Mysteries #13
- ISBN
- 9781501994647
How to listen to Why Kill the Innocent free
New members at audiobooks.com get three free audiobooks with the trial.
Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.
Start listening freeQuestions listeners ask
How long is the Why Kill the Innocent audiobook?
Why Kill the Innocent runs 10.4 hours unabridged. At 1.5× speed that drops to roughly 6.9 hours.
Is the Why Kill the Innocent audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Why Kill the Innocent?
Why Kill the Innocent is narrated by Davina Porter.
Is Why Kill the Innocent worth listening to at 1.5× speed?
At 1.5× you'd finish in about 6.9 hours, saving 3.5 hours.