Deputies said the shooting happened after 10 p.m. outside of a home on Sanatra Drive in Cameron.
Officials said a dispute happened between 30-year-old Dena Luedke and her boyfriend, 30-year-old Gregory Cole.
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Deputies said Luedke did have a gunshot wound but said an autopsy would determine her official cause of death.
Cole was arrested and charged with murder.
If you or someone you know is a victim of domestic violence, seek help by calling (800) 799-7233 or reach out online.