UN experts report reasonable grounds to believe the US committed war crimes in Iran, citing deadly airstrikes, while the White House dismisses the findings. The US Postal Service has halted work on a computer system aimed at limiting mail voting following a Supreme Court ruling. In Los Angeles, an SUV driver faces murder charges after a wrong-way crash killed two bus riders, a news helicopter crew, and a bystander. Meanwhile, South African police found a ninth female victim in a series of killings near Johannesburg, raising fears of a serial killer.