Houston Police Department received a call for service regarding a Family Disturbance with a Weapon. Officers arrived on scene, met with a witness outside the residence. The witness stated her friend was being held inside the residence by her friend's husband, who was armed with a gun. The witness stated she had also been threatened by the suspect. Officers knocked on the front door and announced their presence. The suspect abruptly opened the door with a rifle in his hands, pointed in the direction of the officers. One officer discharged his duty weapon in the direction of the suspect, causing the suspect to drop his weapon and surrender. The suspect was taken into custody without further incident. The suspect was not struck and no officers were injured during this incident.