When a man is found slaughtered in his bathroom, friends point police toward his ex-girlfriend. Facing the death penalty, Jodi Arias takes the stand to explain how the killing was self-defence.

When an off-duty Dallas police officer shoots a man in his own apartment, the jury must decide if it was murder or a tragic mistake. Amber Guyger takes the stand in her own defence.

When a parolee is fired from his job, he takes out his revenge on a peaceful community, kidnapping, torturing, and killing a mother and caregiver. Scott Nelson blames his parole officer.

Shayna Hubers defends herself after brutally murdering her on-again, off-again boyfriend, Ryan Poston. She claims her actions were in self-defence and tries to show Ryan's abusive side.

When a 23-year-old Texas man faces the death penalty after being charged with killing an elderly West Virginia couple, he takes the stand and points the finger at a surprising suspect.

Former Houston doctor Leon Jacob takes the stand to defend his past after he and his girlfriend, Valerie McDaniel, are found guilty of plotting the murder of his ex-girlfriend and Valerie's ex-husband.