with 8 episodes premiered on September 3, 2013

Kelly Siegler and her team travel to small towns to dig into unsolved homicide cases that have lingered for years without answers or justice for the victims.

with 18 episodes premiered on January 17, 2014

Kelly Siegler and her team travel to small towns to dig into unsolved homicide cases that have lingered for years without answers or justice for the victims.

with 24 episodes premiered on January 8, 2015

Kelly Siegler and her team travel to small towns to dig into unsolved homicide cases that have lingered for years without answers or justice for the victims.

with 10 episodes premiered on July 22, 2017

Kelly Siegler and her team travel to small towns to dig into unsolved homicide cases that have lingered for years without answers or justice for the victims.

with 26 episodes premiered on August 4, 2018

Kelly Siegler and her team travel to small towns to dig into unsolved homicide cases that have lingered for years without answers or justice for the victims.

with 24 episodes premiered on July 10, 2021

Kelly Siegler and her team travel to small towns to dig into unsolved homicide cases that have lingered for years without answers or justice for the victims.

with 12 episodes premiered on February 24, 2024

Kelly Siegler and her team travel to small towns to dig into unsolved homicide cases that have lingered for years without answers or justice for the victims.

with 9 episodes premiered on September 13, 2025

Kelly Siegler and her team travel to small towns to dig into unsolved homicide cases that have lingered for years without answers or justice for the victims.