Must I be a Caregiver or Surrogate to obtain from Veteran Affairs, an Account of the Health Disclosures of a Vet, family-member?

Surmising my aged, Veteran-parent (ww2) became a victim of foul play by a neighbor of mine, I visited her VA Center to see if I could obtain her (mother's) Medical Records; having past, psychotherapy notes in her records she, also a career health-employee, didn't take too well when a VA Patient Advocate informed her of a breach of her Health Information & soon afterward required medical attention. I learned from 1 of her Center's 2, Pat.-Adv.'s that since I (eldest male of my parents 5 kids) wasn't her primary Caregiver or Surrogate (my brother, father accordingly) her Med. Recs were not attainable; I thought they'd prove she suffered due to the breach. Mother deceased several months later & so did father, 4 weeks after her. Given now mother & father (primary caregiver) are deceased & she