I'm so sorry your family is going through this. It's a rough time when someone has Alzheimer's.
Maybe you can sit down with Randy and see what he thinks is going on. You may be able to discuss his anger and help him to understand that he can (sometimes, anyway) channel it differently. If you can help him to understand that it's probably sadness or frustration, maybe he can go tell Grandpa that he loves him instead.
Prayers and hugs to all of you,
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