Former NFL linebackerย Antonio Armstrong and his wife, Dawn, were shot and killed inside their Houston home, and their 16-year-old son has been charged in their deaths.

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When police arrived on the scene, Dawn was already dead, while Antonio was suffering from a gunshot wound to the head and rushed to the hospital, where he later died. Their daughter was also at home during the shooting but is reportedly fine.

Their 16-year-old son has been charged in the shooting, but police have yet to determine a motive.

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The teen was the one who called 911, and authorities who responded reportedly found the gun along with a note that read, โ€œIโ€™ve been watching you.โ€

โ€œIt was kind of the All-American family, thatโ€™s why weโ€™re trying to get down to figure out whatโ€™s going on in this household,โ€ homicide detective Jimmy Dodson told KHOU.

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โ€œTheyโ€™re the family that everyone wanted to be likeโ€ฆ her and Antonio together, they are what they call a power couple,โ€ Dawnโ€™s cousin, Vaun Lee Armstrong said. โ€œThere was nothing left out. There was no neglect or anything. There was nothing that even could possibly have justified this situation.ย This doesnโ€™t even make sense. It makes no sense.โ€