Mail theft is still common, especially during the end of the year when tax documents and year end banking and investment statements are often mailed to clients.
How to protect your finances before the New Year; ticket #4

Mail theft is still common, especially during the end of the year when tax documents and year end banking and investment statements are often mailed to clients.
Insurance companies and doctor's offices are not immune to making human mistakes yet most people don't bother to look at the statements
You should always check your bank statements. Financial institutions can make errors..