Léa

The provided news articles do not contain any information about a person named Léa. One article discusses the increasing use of ChatGPT as a running coach, particularly for events like the Paris Marathon. It highlights the trend of runners seeking advice, training plans, and encouragement from AI. The other article reports on the trial of Aurélie S., who is accused of killing and freezing her two infants. The article focuses on the testimony of her family, who describe her as secretive and overwhelmed. Since neither article mentions Léa, it's impossible to provide any information about her background, newsworthiness, recent events, or relevance based on the given context.