During today's closing arguments, the defense emphasized their assertion that Cooks was acting in self defense when she stabbed Allen to death.
They claim years of physical abuse and threats made Cooks fear for her life.
They also said the confrontation took place because Cooks believed Allen was holding a knife behind his back.
The state argued that Cooks never expressed a fear of Allen to investigators.
Prosecutors say the attack took place because she was mad, not scared.
If Cooks is found guilty she could face up to 99 years or life in prison.
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