Special report: Allegations of sexism, racism and expenses fiddling are flying in US courts, drawing in leading figures in motor racing and some famous names in music. But the precise role of Peter de Putron, a Jersey-based billionaire, is one of the most intriguing subjects

On the track, the Williams Formula One team are attempting to revive former glories through their talented driving team of Alex Albon and Carlos Sainz and the team principal, James Vowles.

Luther Davis, a national champion with the Crimson Tide, is said to have worn wigs and make-up to secure fraudulent loans

A former University of Alabama football star plans to plead guilty later this month to orchestrating an alleged scheme in which he impersonated NFL players and defrauded lenders out of nearly $20m. The alleged scam is described in detail by the US attorney for the northern district of Georgia, including depictions of the former defensive lineman donning disguises during loan closings.

Luther Davis, a member of the Alabama team that won the 2010 national championship game, along with a partner, CJ Evins, “obtained at least thirteen fraudulent loans totaling more than $19,845,000”, the criminal information filing alleges. A criminal information (CI) document is filed by a US attorney when a defendant agrees to waive the constitutional right to indictment by a grand jury and instead proceed by typically entering a guilty plea; both Davis and Evins are doing so according to the court docket.

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