"[W] e do know that between 2% and 10% of all older adults experience abuse, and that LGBT older adults have additional specific vulnerabilities."
This comprehensive article, written for for LGBT older adults and their loved ones, discusses warning signs for LGBT elder abuse. The article covers such topics as financial abuse, threats of "outing" and isolation, among others. It also provides resource suggestions.
Source: FORGE Transgender Aging Network (USA); National Resource Center on LGBT Aging (USA)