Roxanne Sanchez, 28, was shot and killed on December 25, 2014, in a home on First View Drive in San Antonio, Texas, following an argument with 31-year-old Benjamin Poehlman. Police found Poehlman locked in a room with the victim, holding a gun, and took him into custody; he was charged with murder.

Reports note Poehlman had prior criminal convictions, including drug and weapons charges. The case prompted community attention because the shooting arose from a domestic dispute and because of Poehlman’s background.

If anyone knew Roxanne, her whereabouts that day, or has information about the events leading up to the shooting, please share what is known with investigators.