coronavirus April 29, 2020 6:10 pm Virus Investigators Play Key Role in State Reopening Virus investigators – known as epidemiologists – are playing a key role to opening the state back up through a process called contact tracing. NBC 6’s Phil Prazan reports. US & World Videos 0:56 Driver fell asleep before hitting 2 runners during Florida Keys race 0:24 16-year-old killed and another injured after shooting in Lauderdale Lakes 1:34 Multiple cars on fire after alleged arson attach in Miami's Little River neighborhood 0:41 Hearing scheduled to hear arguments on request to dismiss indictment 2:18 Parents react to Monarch High School officials resuming their positions amid investigation