Russia has a long history of going after Russians who disagree or ex-spys.
The long history of Russian deaths in the UK under mysterious circumstances | The Independent
https://www.vox.com/world/2018/3/12/...a-may-novichok
https://www.mirror.co.uk/news/uk-new...ident-12201119
Putin just ignores everything. Maybe if the EU pulled all Nations teams out of the World Cup they might take note. FIFA would definitely take note and think beyond the money when they award it to countries very unsuitable to hold any Internation competition.