Bullingham said the FA has been in contact with UK police, who are in touch with the relevant social media platform.
Thomas Tuchel is regarded as one of the most progressive tacticians in the game, albeit a coach not afraid to ruffle feathers.
His agent Bo Gustavsson told Reuters he had passed away Monday morning.
The FA Cup final will be held on Aug. 1, the Football Association announced on Friday, after the Premier League said on Thursday that its season will restart on June 17.
Over the course of the next two years, the former England international was able to engineer a turnaround in fortunes for the team, leading them to the 2018 World Cup semi-finals before their run to the final of the Euro 2020 tournament last year.
The first findings of the study, released in June, established that former footballers were 3.46 times more likely to have neurodegenerative diseases.
The FA said 42 positions were already vacant before the COVID-19 crisis while they are proposing to remove a further 82 roles from the organisation.
Officials of IFAB, the International Football Association Board, made up of the four British home nations and FIFA, agreed to conduct a year-long review into the offside law, which is expected to end with a proposal for a new rule.