The Brief Three people were killed in an apparent murder-suicide in an apartment building on Walters Road, according to the Harris County Sheriff's Office. They have been identified as Yaquelin Arias Rivas, 30, her 19-year-old younger sister, Saidia Machado, and Rivas' estranged ex-boyfriend, Sebastian Rodriguez, 40. The death of three people found in a Harris County apartment building has been determined to be a double murder suicide, according to Harris County Sheriff's Office detectives. The sheriff's office reports EMS confirmed all three were dead at the scene from apparent gunshot wounds. Harris County investigators collected evidence and security video from the scene.