What exactly is presidential immunity?

In a landmark case, former US President Donald Trump and his lawyers claim his time in office protects him from charges connected to his alleged effort to overturn the 2020 election.

We look at a Nixon-era ruling and ask if Mr Trump has an argument.

Produced by the BBC's Howard Timberlake, Sanjana Bhambhani and Anna Bressanin.

11 January 2024