A Texas woman shot and killed her estranged common-law husband as he kicked in the back door and tried to break in, authorities said. The 39-year-old man who was fatally shot was armed with a handgun, Harris County Sheriff Ed Gonzalez wrote in a post on X, formerly known as Twitter. The alleged shooter, 39, was detained but not charged, Gonzalez wrote. The investigation is ongoing and the case will be presented to a grand jury, officials said. The incident occurred in the early hours on Tuesday, Jan. 16, in Humble, Texas, Gonzalez wrote. Several police reports regarding the estranged couple ha…