The Mark of a Killer Collar and Leash Killer (Season 2, Episode 7)
TV-14
TV Episode | 43 min | Documentary, Crime

Primary photo for Collar and Leash Killer

The Mark of a Killer

Collar and Leash Killer (Season 2, Episode 7)

TV-14

TV Episode | 43 min | Documentary, Crime

A string of women are found dead by the side of the road with a unique ligature. Detectives are stumped until a 17-year-old girl manages an escape from a vicious kidnapper, leading police to a serial killer.

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Cast	+ Add Cast
28 cast members

Name	Known for
Cindy Brown Self - Former Tampa Resident Self - Former Tampa Resident See fewer	The Killer in My Family (2019)
Stephen Cribb Self - Hillsborough County Sheriff's Office (as Detective Stephen Cribb) Self - Hillsborough County Sheriff's Office (as Detective Stephen Cribb) See fewer	The Mark of a Killer (2019)
J.T. Hunter Self - True Crime Author (as JT Hunter) Self - True Crime Author (as JT Hunter) See fewer	The Killer in My Family (2019)
John Marsicano Self - Hillsborough County Sheriff's Office (as Detective John Marsicano) Self - Hillsborough County Sheriff's Office (as Detective John Marsicano) See fewer	The Mark of a Killer (2019)
Kimberlie A. Massnick Self - Criminologist (as Kimberlie Massnick) Self - Criminologist (as Kimberlie Massnick) See fewer	The Mark of a Killer (2019)
Katherine Ramsland Self - Forensic Psychologist (as Dr. Katherine Ramsland) Self - Forensic Psychologist (as Dr. Katherine Ramsland) See fewer	The Alienist (2018)
Lisa McVey Noland Self - Survivor Self - Survivor See fewer	I Lived with a Killer (2019)
Tammy Kaspi Self - Victim's Sister Self - Victim's Sister See fewer	The Mark of a Killer (2019)
Karen Dinsfriend Self - Victim (archive footage) (as Karen Beth Dinsfriend) Self - Victim (archive footage) (as Karen Beth Dinsfriend) See fewer
Kimberly Hopps Self - Victim (archive footage) (as Kimberly Kyle Hopps) Self - Victim (archive footage) (as Kimberly Kyle Hopps) See fewer
Virginia Johnson Self - Victim (archive footage) (as Virginia Lee Johnson) Self - Victim (archive footage) (as Virginia Lee Johnson) See fewer
Bobby Joe Long Self - Serial Killer (archive footage) Self - Serial Killer (archive footage) See fewer	Forensic Files (1996)
Ngeun Thi 'Peggy' Long Self - Victim (archive footage) (as Ngeun Thi Long) Self - Victim (archive footage) (as Ngeun Thi Long) See fewer
Michelle Simms Self - Victim (archive footage) (as Michelle Denise Simms) Self - Victim (archive footage) (as Michelle Denise Simms) See fewer
Kim Swann Self - Victim (archive footage) (as Kim Marie Swann) Self - Victim (archive footage) (as Kim Marie Swann) See fewer
Richard Baxter Italian Detective (uncredited) Italian Detective (uncredited) See fewer	Jumanji: The Next Level (2019)
Adrian Bond Sketchy Boyfriend (uncredited) Sketchy Boyfriend (uncredited) See fewer	Untitled SCP Series (2019)
Justin Z. Cole Detective Marsicano (uncredited) Detective Marsicano (uncredited) See fewer	Homicide Hunter (2011)
Jessica Cori Tammy Kaspi (uncredited) Tammy Kaspi (uncredited) See fewer	A Hard Problem (2021)
Mitch Damron Undercover Officer (uncredited) Undercover Officer (uncredited) See fewer	Vengeance: Killer Families (2020)
Ryder Davis Detective Stephen Cribb (uncredited) Detective Stephen Cribb (uncredited) See fewer	Jurassic Park III (2001)
Rip Elliott Coroner (uncredited) Coroner (uncredited) See fewer	Paths of Choice
Morgan Ipsale Undercover Female (uncredited) Undercover Female (uncredited) See fewer	Storm of Suspicion (2018)
Keelia Victim (uncredited) Victim (uncredited) See fewer	Bright Sky (2025)
Betsy M. Mitchell Kim Hopps (uncredited) Kim Hopps (uncredited) See fewer	Herman Jones (2018)
Rachel Reiff Lisa McVey (uncredited) Lisa McVey (uncredited) See fewer	Ay, Mi Amor (2016)
Aviva Sevilla Michelle Simms (uncredited) Michelle Simms (uncredited) See fewer	The Oval (2019)
Rachael Swartz Cindy Brown (uncredited) Cindy Brown (uncredited) See fewer	Famously Afraid (II) (2019)