An Unexpected Killer (2019)

Crime · Documentary · Drama

A wild and unpredictable journey into homicide investigations where the true identity of the killer comes as a shocking surprise. Combining unparalleled access, captivating interviews and stylish reenactments, each investigation starts in a familiar way - examining the crime scene, interviewing potential suspects… but then something unexpected changes everything. A new witness, an overlooked piece of evidence or even an innovation in forensic science sends investigators on a totally unexpected path that ultimately leads to the conviction of the real killer.

IMDb rating: 6.5 (221 votes)
Seasons: 3
Streaming (US): Peacock · YouTube TV · OXYGEN · Fandango at Home Free · Spectrum On Demand
Language: EN
Type: TV series

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Ratings refreshed Aug 19, 2026 · 3 seasons indexed

Seasons

Season 1 (2019)

6.84 avg 8 episodes 6.7 → 6.7 43 min avg

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	Modern Family Murder	6.7	29
2	Dying to See You	6.7	19
3	A Twisted Connection	6.8	17
4	When Hate Kills	7.2	14
5	Killer in Plain Sight	7.0	15
6	New Mexico Massacre	6.8	12
7	Deadly Intentions	6.8	11
8	Deadly Betrayal	6.7	13

Season 2 (2021)

7.06 avg 20 episodes 6.4 → 6.8 43 min avg

Season 2 episodes - IMDb ratings
#	Title	Rating	Votes
1	Twisted Betrayal	6.4	12
2	Unseen Assassin	7.0	13
3	A Genius Murder	6.4	11
4	Driven to Murder	6.3	12
5	The Love That Kills	7.0	14
6	Killed by Kindness	7.1	15
7	New Jersey Nightmare	7.1	14
8	Fatal Ambition	7.0	12
9	Deadly Disrespect	6.9	12
10	Closet Murderer	7.7	13
11	Murderer on Main St.	6.9	12
12	The Mayor's Wife	7.5	12
13	Hidden Betrayal	8.3	16
14	Gone Without a Trace	7.0	11
15	Twisted Attraction	7.0	10
16	Second Chance to Kill	7.0	9
17	The Finger of Suspicion	7.1	10
18	The Runaway Murderer	7.1	10
19	Wolf in Sheep's Clothing	7.6	10
20	Burned and Betrayed	6.8	11

Season 3 (2022)

6.66 avg 20 episodes 6.8 → 6.4 43 min avg

Season 3 episodes - IMDb ratings
#	Title	Rating	Votes
1	A Predator Within	6.8	12
2	Gold-Blooded Murder	6.7	11
3	Fatal Fast Food	7.1	11
4	A Love Lost	6.6	10
5	Nightmare in Shenandoah	6.6	8
6	Deadly Desires	6.9	7
7	Shot in the Dark	6.8	8
8	A Ringing Suspicion	6.5	7
9	The Ties That Bind	6.1	8
10	Wicked Night Out	7.5	12
11	A Date With Death	6.7	8
12	Twisted Intentions	6.5	7
13	A Silent Death	7.1	9
14	Death on the Driveway	6.8	10
15	A Family Affair	6.6	8
16	When the Lights Go Out	5.4	6
17	Blood Runs Thick	6.6	5
18	Murder After Midnight	6.6	7
19	Trail of Evidence	6.9	7
20	Murder in the Canyon	6.4	9