3PM ET: Idaho mystery, Huawei ban, Ukraine power problems & more

Police have still not identified a suspect nearly two weeks after four University of Idaho students were found stabbed to death. A vigil is planned after a mass shooting inside a Wal-Mart in Chesapeake, Virginia. The Biden administration bans Chinese tech amid spying fears. Ukraine works to keep the lights on amid Russian strikes. And a group of Australians strip down to raise awareness for skin screenings.  To learn more about how CNN protects listener privacy, visit cnn.com/privacy