Investigation September 24, 2024 8:02 pm Experts call for more ways to track extreme heat Experts are calling for more resources to track extreme heat in Southern California. Lolita Lopez reports for the NBC4 I-Team at 5:30 p.m. on Tuesday, Sept. 24, 2024. US & World Videos 3:24 How voter fraud is being prevented in Los Angeles County 4:18 Judge sides with Upland nurse who suffered cardiac arrest at work 3:50 Why graves at Whittier cemetery have disappeared 4:33 Why feds are taking more criminal cases from Los Angeles County 4:10 How LA Department of Children, Family Services is managed now