Investigators on Monday were trying to understand why a Houston man opened fire on his family, killing one of his daughters, critically wounding the other and paralyzing his wife before shooting himself in the chest and dying on the front lawn.
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Houston man opens fire on family
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Police treating death of Oregon man as a homicide
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Police investigate homicide
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Deputies investigate weekend shooting
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Son wants to know why his father was killed
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Father killed in front of his parents and children
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Neighbors react to father accused of killing son
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Police investigate 4 shootings in 4 hours
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Police investigate fatal shooting
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Investigators revisit scene of fatal fire
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Investigator reveals details in school shooting
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Authorities investigating fatal shooting in Oconee County
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Police investigate four shootings
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Homicide inquiry launched
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An investigation leads to murder charge
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Crenshaw County sheriff's department investigating homicide
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Woman fatally shot by husband, police say