Diego Martinez came home from work about 7 a.m. today and found his wife with another man, police say.
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He got a semiautomatic pistol and began firing, killing her and seriously wounding the man.
Alicia Martinez, 40, died at her home in the 7300 block of Yellow Pine on the northwest side, police say. Her three children were home at the time of the incident.
Her husband escaped and is the subject of a manhunt. He is described as about 5-5 and weighing 200 pounds and was last seen driving a black F-150 Ford pickup with Texas license plate number AX67304. Police say the truck has a white stripe along the bottom.
Anyone with information in this case is urged to contact the HPD Homicide Division at 713-308-3600 or Crime Stoppers at 713-222-TIPS.