Child welfare advocates are pushing for more details on the state's involvement with the family of a 4-year-old boy who died of a gunshot wound in Lewiston, Maine , last month, NBC affiliate NEWS CENTER Maine reports.

Jasper Smith, 4, died of a gunshot wound to the head after he was rushed to the hospital on May 17 from his family's apartment on Pierce Street, according to Maine State Police. Investigators said they located a single 9mm handgun at the apartment, registered to his 36-year-old stepfather.

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Investigators have not said whether Jasper or someone else was holding the gun when it fired. Now lawmakers want to know what went wrong, and are directing questions to the Maine Department of Health and Human Se

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