If someone locked your mentally deficient Aunt or Uncle up in a room and made them sign documents that negatively effected you, there would be a call to the police or your lawyer. What do you do when it's not your relative but the President of the United States? (possible scenario)

https://www.brennancenter.org/issues/ensure-every-american-can-vote/voting-rights-restoration/disenfranchisement-laws

https://medium.com/voterly/how-voting-disenfranchisement-happens-in-the-u-s-db38a1fdbf64

Washington DC Health and Human Service (Elder Abuse) https://oag.dc.gov/sites/default/files/2019-09/Elder_Abuse_Brochure_Final.pdf

https://www.alzdiscovery.org/cognitive-vitality/ratings/modafinil
https://www.verywellhealth.com/can-ambien-affect-your-memory-3015265

https://mainstreetgazette.com/bongino-secret-service-sources-reveal-severity-of-bidens-cognitive-decline/