This video says about itself:
16 June 2016
The suspected murderer of British politician Jo Cox MP being arrested and treated at the scene for a head injury. Mother of 2 Jo Cox was shot and stabbed multiple times in a brutal attack while meeting members of her constituency on the 16th of June 2016. Thoughts and prayers are with her family in this tragic time that has shocked the nation.
From daily The Morning Star in Britain:
Nazi eagle found in Mair’s home, jurors told
Tuesday 22nd November 2016
The jury was shown photos of belongings found in his home in Birstall, including books and magazines on the “theory” of white supremacy.
Police also found a double-page press cutting on Norwegian mass killer Anders Breivik and a stack of papers on Ms Cox and her political history.
He denies murder, possession of a firearm with intent to commit an indictable offence and possession of an offensive weapon — a dagger.
Thomas Mair convicted: here.