
An Unexpected Killer Episode Rating Graph
Dec 2019 - present

Dec 2019 - present
7.3
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.
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The first episode of An Unexpected Killer aired on December 05, 2019.
The last episode of An Unexpected Killer aired on November 18, 2022.
There are 48 episodes of An Unexpected Killer.
There are 3 seasons of An Unexpected Killer.
Yes.
An Unexpected Killer is set to return for future episodes.
S2 Ep15
7.8
7th May 2021
When a young woman who was just starting out in life is found assaulted and stabbed to death in her boyfriend’s home, detectives work tirelessly to uncover a killer who had previously been above suspicion, leaving the town and police force stunned.
S1 Ep2
7.7
12th Dec 2019
When a popular college student is found slain in the middle of campus, police suspect his friends and lovers might be involved.
S1 Ep4
7.7
26th Dec 2019
Police in small town Louisiana investigate the mysterious and brutal murder of a beloved neighbor with no known enemies.
S2 Ep5
7.7
12th Feb 2021
A loving, single mother of two is the victim of a bizarre murder, leading detectives to investigate a number of suspects, until a killer with a dark obsession hiding in plain sight is revealed.
S3 Ep10
7.6
6th May 2022
When a young mother is found dead in a field after a night out, police scour security video to retrace a suspect's steps; the discovery of a second crime scene leads to an arrest, before high-tech forensics reveal a truth no one expected.
S2 Ep6
7.6
19th Feb 2021
When a recently divorced mother is found strangled to death on her couch, several suspects emerge until the killer is revealed to be someone close to home.
S3 Ep20
7.6
18th Nov 2022
When an outgoing college student is gunned down, police investigate disapproving roommates, a psychic, and an infamous serial killer. However, decades-old evidence reveals a killer that original detectives had previously overlooked.
S3 Ep2
7.6
11th Mar 2022
A fun-loving 59-year-old man is found shot to death in his home and his beloved jewelry collection has been stolen, leading detectives to a long list of suspects and a killer harboring a dark secret.
S2 Ep9
7.6
12th Mar 2021
After a 35-year-old analyst for the NSA is fatally stabbed, police look at a number of suspects; detectives close in on the killer, but the investigation takes a shocking turn.
S2 Ep8
7.6
5th Mar 2021
A hard-working young woman is discovered stabbed at the side of a road, leading police on a tireless investigation for 10 years to unveil a killer who is hiding in plain sight.
S2 Ep3
7.6
29th Jan 2021
When a brilliant scientist and devoted family man is found beaten to death, the evidence leads police to make arrests, but an astounding revelation turns the investigation on its head.
S3 Ep13
7.6
30th Sep 2022
A beloved teacher and mother of four silently vanishes in the middle of the night. A blood-soaked bedroom and horrific lakeside discovery point police to a killer close to home until mysterious tracks in the mud lead to a culprit no one suspected
S2 Ep12
7.6
2nd Apr 2021
After a respected educator and mother of two is found dead in small-town Alabama, the investigation focuses on fraught family relationships, but the discovery of a dark secret unveils a killer no one saw coming.
S3 Ep11
7.6
16th Sep 2022
A cat-loving and recently divorced young woman dipping her toes back in the dating game is beaten and strangled in a brutal and unusual way; investigators dive into the murky world of online dating to hunt a killer who could be ready to strike again.
S2 Ep18
6.7
28th May 2021
A glamorous 85-year-old millionaire is found stabbed in her basement, sending police on an international investigation that unearths devilish secrets, double lives and a killer no one saw coming whose tricks wouldn't stop even after their arrest.
S2 Ep14
6.8
30th Apr 2021
A divorced mother of three is savagely stabbed to death while recovering from major surgery, but police are frustrated by a lack of evidence. After turning cold, the case is reignited by a startling admission that finally leads police to the killer.
S3 Ep16
6.9
21st Oct 2022
When a young mother and beloved coworker is found savagely stabbed in her bedroom, investigators are unable to pin down a killer until secret recordings and evidence stashed in a van lead to a sinister plot and horrific confession.
S2 Ep20
6.9
11th Jun 2021
After the burned body of a young nursing student is discovered near a rural road, detectives investigate several suspects until the trail of evidence unearths a disturbing and predatory plot.
S3 Ep15
7.1
14th Oct 2022
When a family that runs a beloved vet clinic is gunned down, police investigate disgruntled tenants, a pet owner with an axe to grind and an estranged son. The case stalls until detectives uncover a twisted plot by someone who seemed above suspicion.
S3 Ep1
7.1
4th Mar 2022
When an athletic and popular college student is violently murdered in her apartment, police track down several surprising suspects, including one with a disturbing obsession, before crucial evidence unmasks a dangerous predator no one saw coming.
S3 Ep5
7.1
1st Apr 2022
A devoted mother is stabbed to death in a horrifying attack and suspicion falls on those closest to her, but while a cryptic note and a violent crime spree baffle detectives at first, they eventually track down a deranged killer no one predicted.
S1 Ep8
7.3
23rd Jan 2020
When a loving father and beloved basketball coach is ruthlessly murdered in Tennessee, police decode a confusing array of evidence to unveil a killer who is shockingly close to home.
S2 Ep7
7.3
26th Feb 2021
A recently retired woman is found murdered, and detectives struggle with a lack of evidence and try to track down a long list of suspects.
S3 Ep6
7.3
8th Apr 2022
A vibrant young mother of three is murdered in the safety of her own home and investigators look to a history of troubled romances, but when the case goes cold and police can't find the killer, a phone call leads to a culprit hiding in plain sight.
S2 Ep19
7.3
4th Jun 2021
When a beloved elderly woman is viciously murdered, detectives discover a chilling connection to another unsolved murder. The trail points to someone from her past and investigators race to hunt the killer down before they can strike again.
S2 Ep1
7.3
15th Jan 2021
When a devoted mother with a bright future in show business is ruthlessly gunned down, a number of suspects emerge, but just as detectives think they have the killer in their sights, the investigation takes a jaw dropping turn.
S2 Ep17
7.3
21st May 2021
A beautiful young woman is killed in her own bedroom and the evidence appears to point a clear suspect, but police soon discover not everything is as it seems. It takes 30 years and stunning new evidence to reveal a killer hiding in plain sight.
S2 Ep10
7.3
19th Mar 2021
When a 98-year-old widow is found dead in her entryway closet, a chilling discovery leads investigators to a killer in the community who harbors a dark secret.
S1 Ep1
7.5
5th Dec 2019
Police investigating the murder of a devoutly religious couple uncover dark family secrets, leading them to a suspect that shocks everyone.
S1 Ep2
7.7
12th Dec 2019
When a popular college student is found slain in the middle of campus, police suspect his friends and lovers might be involved.
S1 Ep3
7.5
19th Dec 2019
When a suburban mom is murdered in her own home, investigators chase down an elusive killer that no one saw coming.
S1 Ep4
7.7
26th Dec 2019
Police in small town Louisiana investigate the mysterious and brutal murder of a beloved neighbor with no known enemies.
S1 Ep5
7.5
2nd Jan 2020
When a trusting, young college student is viciously murdered and her apartment set ablaze, police untangle a web of relationships to find a killer who’s dangerously close to home.
S1 Ep6
7.4
9th Jan 2020
A beloved couple and their special needs son are savagely murdered in rural New Mexico, leading detectives to uncover long buried secrets in a tight-knit town.
S1 Ep7
7.4
16th Jan 2020
When a devoted mother about to embark on a new life is murdered in her own home, detectives follow the evidence through a tangled web of relationships to unmask a killer no one could have predicted.
S1 Ep8
7.3
23rd Jan 2020
When a loving father and beloved basketball coach is ruthlessly murdered in Tennessee, police decode a confusing array of evidence to unveil a killer who is shockingly close to home.