Which US president was arrested before Trump?

With Donald Trump set to become the first former US president to face criminal charges, the explores the history of the first sitting US president to be arrested, Ulysses S. Grant.

General Grant, the 18th president of the United States, was known for his love of fast horses – and riding them around the streets of Washington DC, at speed.

And in 1872, that was exactly how he became the only sitting president in US history to be arrested while in office.

But who was the man who arrested him?