HOUSTON - A Houston family is anxiously awaiting the arrest of their neighbor, John Martin Dixon, who allegedly shot their son .

Dixon has been charged with aggravated assault with a deadly weapon, and police are seeking public assistance in locating him.

Texas 10 Most Wanted Fugitive: John Dixon

What we know:

On July 17, Emmanuel Menchaca was returning home from work when he was allegedly shot by Dixon.

Emmanuel was burying his guinea pig with his younger brother when the shooting occurred outside their home.

The shooting took place on July 17, but charges were not filed until August 9, when a warrant for Dixon's arrest was issued.

What we don't know:

The motive has not been confirmed.

What they're saying:

Andrea Menchaca, Emmanuel's mother, expressed her distress:

"It’s be

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