In 2015, Lesley Stahl traveled to Kenya, where a "mobile money" revolution was sweeping the country. Kenyans were sending and receiving money on their cell phones through the platform M-Pesa, which improved commerce and brought basic necessities to poorer areas.
The FBI is ramping up its fraud investigation in Minnesota. Federal prosecutors said earlier this month the total fraud in Minnesota's Medicaid programs could be as much as $9 billion, but Gov. Tim Walz and other state officials have disputed that figure. CBS news Minnesota reporter Jonah Kaplan has more.
Homeland Security agents are in Minneapolis on Monday "conducting a massive investigation on childcare and other rampant fraud," Secretary Kristi Noem said.
Texas officials believe 19-year-old Camila Mendoza Olmos, who was last seen leaving her home on Christmas Eve, is in imminent danger. CBS News reporter Karen Hua has more.
