Season 1 of I AM A KILLER premiered on May 29, 2018.

Season 2 of I AM A KILLER premiered on October 22, 2019.

Murderers recount the true stories of their crimes, including a woman who killed her abusive husband and the man behind a deadly New Year's Eve party.

Season 3 of I AM A KILLER premiered on August 30, 2022.

While serving hard time for murder, inmates recount their crimes and reflect on how their actions destroyed lives — including their own.

Season 4 of I AM A KILLER premiered on December 21, 2022.

Premeditated deeds, tragic accidents or acts of self-defense? Murderers recount the harrowing crimes that landed them in prison with life sentences.

Season 5 of I AM A KILLER premiered on October 16, 2024.

From a man who killed his grandmother to an armed robber who claims he didn't know his gun was loaded, convicted murderers recall their crimes firsthand.

Season 6 of I AM A KILLER premiered on January 8, 2025.

Convicted murderers recall and reflect on the crimes that destroyed lives and landed them in prison, from an alleged tribal feud to a deadly drug deal.