A recent poll has released information that the group that is most likely to commit financial elder abuse are family members of the victims.
http://lawprofessors.typepad.com/trusts_estates_prof/2012/09/family-members-are-more-likely-to-commit-financial-elder-abuse.html
http://lawprofessors.typepad.com/trusts_estates_prof/2012/09/family-members-are-more-likely-to-commit-financial-elder-abuse.html