Story highlights She confronted the man when he tried to lure the kids, police say

He grandson was also stabbed

(CNN) An Ohio woman was killed when she was stabbed while trying to protect her grandchildren from a sex offender.

Candy Arthurs, 45, died Wednesday after fighting for her life for more than a month since the June 23 attack.

Police said Arthurs confronted the suspect, Kristopher Amos, after he tried to lure her two grandchildren into a back alley in her Columbus neighborhood.

His pretext, police say, was that he needed help finding a missing drone.

Arthurs got wind of the situation and faced off with the man.

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