In the two months since Hans Bechtold moved in with his daughter, he had played an active role in the family even as he dealt with his own illness.

He taught his grandson to drive and the family often went out to dinner together. Close friends thought Bechtold, 74, had settled in after the move from his Miramar home.

On Thursday, family, friends and neighbors were left wondering what led him to shoot his 14-year-old granddaughter Wednesday night before killing himself.

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