The Texas City Police Department said that officers responded to a welfare concern in the 7200 block of Mallard Drive at about 3 p.m. When they arrived, officers said they found a woman, identified as 42-year-old Angela Gray, who had suffered a gunshot wound to her chest.
Gray was pronounced dead at the scene, officials said.
Authorities said after an investigation into the incident, 73-year-old Lee Sims was arrested and charged with murder. Officials said Sims was booked into the Texas City Jail to await further proceedings.
Investigators did not say if Sims and Gray knew each other.
Police said the investigation remains ongoing. Authorities said anyone with information regarding the incident is encouraged to contact Detective Charles at (409) 643-5763 or Detective Stinson at (409) 643-5200, adding that anonymous tips may also be submitted to Crime Stoppers at (409) 763-8477.