My mom was widowed 6 months ago after 62 years of marriage. She is extremely naive, has no conception of handling money, lives alone (in a home I own) and is very lonely. She met an 80 something man in church last week. They went to lunch and spent the rest of the day and evening together. I have not met him yet, but family and friends are telling me I should have him "checked out". How do I insure my mother and what little savings she has in not put at risk?