Beware risks with cash transfer apps

Who doesn't love the convenience of transferring money from one smartphone to another? It's a great way to split a tab and send money to family and friends. But there are risks with Zelle and Venmo, the New York Times says. Fraud contril isn't what it should be, and if you accidentally type in the wrong phone number, good luck getting your money back. John Matarese reports on what you can do so you don't waste your money.