Running · 2019–
Mark of a Killer
Crime
Serial killer behaviors, postmortem rituals, and crime scene souvenirs are examined in Mark of a Killer .
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No next air date announced.
Seasons & episodes
Season 1 · 6 episodes
- S01 E01 · Posed to Kill
- S01 E02 · The Last Call Killer
- S01 E03 · An Eye for Murder
- S01 E04 · Pattern of Murder
- S01 E05 · Momentos of Murder
- S01 E06 · An Appetite for Murder
Season 2 · 10 episodes
- S02 E01 · Killer Caller
- S02 E02 · Deadly Summer
- S02 E03 · Deadly Design
- S02 E04 · The Other Zodiac
- S02 E05 · The Smell of Death
- S02 E06 · Hunted to Death
- S02 E07 · Collar and Leash Killer
- S02 E08 · Killer Athlete
- S02 E09 · Bound to Kill
- S02 E10 · Keys to a Killer
Season 3 · 14 episodes
- S03 E01 · The I-40 Killer
- S03 E02 · The I-95 Killer
- S03 E03 · The Charmer
- S03 E04 · The Englewood Killer
- S03 E05 · Classified to Kill
- S03 E06 · The Interstate Killer
- S03 E07 · The Grim Sleeper
- S03 E08 · The Tourniquet Killer
- S03 E09 · Deaths in the Desert
- S03 E10 · Summer of Fear
- S03 E11 · The Monster
- S03 E12 · The Bayou Strangler
- S03 E13 · The Skull Crusher
- S03 E14 · The D.C. Sniper
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