What to know

• A married couple and their two young children are reportedly among the nine victims of the tragic Learjet 60 plane crash in South Florida, as investigators probe the role of 20-year-old co-pilot Nathalia Gadelha FilgueirasS1
• Texas multimillionaire tech entrepreneur Adam Robinson, his wife Helen and their two young children have been identified as four of the nine victims of the Florida Learjet crash, according to reportsS2