"Shown is the Tule River Indian Reservation's ""lower"" cemetery, one of two, where 8-year-old Alyssa Celaya's grave was to be dug on Monday Dec. 10, 2012. Authorities are piecing together what led a man to kill his mother and two uncles, and shoot his three children before being killed in a shootout with police on Saturday. The violence shook the tiny Tule River Indian Reservation, home to 800 residents. (AP Photo/Tracie Cone)"
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