America’s senior citizens are facing new scams designed to sucker money from them as fraudsters target their computers and cell phones, and use social media posts to lend authenticity to bogus kidnapping calls. While authorities say mail and telemarketing scams remain the biggest rip-offs for older Americans, they worry online activity and cell phones leave seniors — and everyone else — more vulnerable. The Justice Department recently announced its largest-ever sweep of elder fraud cases,...

Fraudsters are constantly looking for new ways to scam Americans, and older residents can be particularly vulnerable as they increasingly become tech-savvy, using computers, smartphones and creating social media profiles. Here are the top scams that Americans face and how to avoid them: IRS scams In this scam, a caller pretends to be an IRS employee, claims you owe taxes and threatens that authorities are going to arrest you. They might "spoof" their phone number so it looks like it's coming...