NEWTOWN, Conn. - Investigators say school shooter Adam Lanza visited an area shooting range but have not concluded whether he actually practiced shooting there.

Ginger Colbrun, a spokeswoman for the Bureau of Alcohol, Tobacco and Firearms, would not identify the shooting range in question or say how recently he was there.

She says investigators have concluded that Lanza's mother, Nancy, visited shooting ranges several times.

Colbrun says it's still not clear whether Nancy Lanza brought her son to the range or whether he ever fired a weapon there.

Authorities say Lanza shot his mother in the head four times, then drove to an elementary school with enough ammunition to kill every student. He killed 26 people, then shot himself as police arrived.

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