Ex-boyfriend fatally shoots mother of his child and her brother, charged with capital murder: HCSOThe ex-boyfriend who shot and killed the mother of his child and her older brother was charged with capital murder, HCSO said. The ex-boyfriend who shot and killed the mother of his child and her older brother was charged with capital murder, HCSO said. The ex-boyfriend who shot and killed the mother of his child and her older brother was charged with capital murder, HCSO said. The ex-boyfriend who shot and killed the mother of his child and her older brother was charged with capital murder, HCSO said. In an update on Sunday night, Sheriff Ed Gonzalez shared that Rodriguez was charged with capital murder and was booked into the Harris County Jail.