my wife has fallen from a rock. an accidental fall, and she was gone. i remember going, what? my heart sank. i fell to my knees. so why did it seem so suspicious? there s something going on here. his first wife died. it just clicked. this was not an accident. two wives, two deaths, two mysteries. nobody saw him push toni off that cliff. tragic. horrible. cruel. i was broken. i m lester holt. and this is dateline. i m roped in at 10,000 feet up. tonight andrea canning takes us over the edge. my name s anna kate, and i m 9 years old. i m in fourth grade. reporter: anna kate once had an aunt named toni. but were never more than a phone call or a letter away. dear aunt toni, how are you? i have no homework. we finished little pear eight days till christmas. i m so excited. i love you. anna kate. reporter: she still writes her letters even though toni can no longer respond. dear aunt toni, are you enjoying it in heaven? i miss you very muc
my wife has fallen from a rock. an accidental fall, and she was gone. i remember going, what? my heart sank. i fell to my knees. so why did it seem so suspicious? there s something going on here. his first wife died. it just clicked. this was not an accident. two wives, two deaths, two mysteries. nobody saw him push toni off that cliff. he wouldn t do that. why would he? tragic. cruel. i was broken. i m lester holt. and this is dateline. i m roped in at 10,000 feet up. tonight andrea canning takes us over the edge. my name s anna kate, and i m 9 years old. i m in fourth grade. reporter: anna kate once had an aunt named toni. they lived a few states apart dear aunt toni, how are you? i have no homework. we finished little pear eight days till christmas. i m so excited. i love you. anna kate. reporter: she still writes her letters even though toni can no longer respond. dear aunt toni, are you enjoying it in heaven? i miss you very mu
my wife has fallen from a rock. an accidental fall, and she was gone. i remember going, what? my heart sank. i fell to my knees. so why did it seem so suspicious? there s something going on here. his first wife died. it just clicked. this was not an accident. two wives, two deaths, two mysteries. nobody saw him push toni off that cliff. he wouldn t do that. why would he? tragic. horrible. cruel. i was broken. i m lester holt. and this is dateline. i m roped in at 10,000 feet up. tonight andrea canning takes us over the edge. my name s anna kate, and i m 9 years old. i m in fourth grade. reporter: anna kate once had an aunt named toni. they lived a few states apart but were never more than a phone call or a letter away. dear aunt toni, how are you? i have no homework. we finished little pear eight days till christmas. i m so excited. i love you. anna kate. reporter: she still writes her letters even though toni can no longer respond.
the scenery was breath-taking. the danger was, too. my wife has fallen from a rock. an accidental fall, and she was gone. i remember going, what? my heart sank. i fell to my knees. so why did it seem so suspicious? there s something going on here. his first wife died. it just clicked. this was not an accident. two wives, two deaths, two mysteries. nobody saw him push toni off he wouldn t do that. why would he? tragic. horrible. cruel. i was broken. i m lester holt. and this is dateline. i m roped in at 10,000 feet up. tonight andrea canning takes us over the edge. my name s anna kate, and i m an aunt named toni. they lived a few states apart but were never more than a phone call or a letter away. dear aunt toni, how are you? i have no homework. we finished little pear eight days till christmas. i m so excited. i love you. anna kate. reporter: she still writes her letters even though toni can no longer respond. dear aunt toni, are you
my wife has fallen from a rock. an accidental fall, and she was gone. i remember going, what? my heart sank. i fell to my knees. so why did it seem so suspicious? there s something going on here. his first wife died. it just clicked. this was not an accident. two wives, two deaths, two mysteries. nobody saw him push toni off that cliff. he wouldn t do that horrible. cruel. i was broken. i m lester holt. and this is dateline. i m roped in at 10,000 feet up. tonight andrea canning takes us over the edge. my name s anna kate, and i m 9 years old. i m in fourth grade. reporter: anna kate once had an aunt named toni. call or a letter away. dear aunt toni, how are you? i have no homework. we finished little pear eight days till christmas. i m so excited. i love you. anna kate. reporter: she still writes her letters even though toni can no longer respond. dear aunt toni, are you enjoying it in heaven? i miss you very much. i read a book abou