Take the following steps if you suspect elder sexual abuse:
Speak with your loved one about your suspicions.
Visit the nursing home at different times, including weekdays, weekends, and nights.
Observe how staff members treat residents and how residents treat one another.
Document any evidence that you can.
Contact the authorities and seek legal counsel.
Of course, your priority should be to keep your loved one safe. If necessary, consider moving them to a different nursing home.