"July 1st 11:50 pm Germany local time [21:50 GMT] — one day before the World Cup match Brazil — Mexico: New episode of ARD‘s 'Doping Top secret'. Title: 'Brazil‘s 12th man.' The widespread culture of cheating in the country with the most football doping cases worldwide," Seppelt said.
Sonntag 1.7. um 23.50 h in ARD @DasErste einen Tag vor dem WM-Achtelfinale BRA — MEX: die neue Folge von Geheimsache Doping. Diesmal: „Brasiliens zwölfter Mann“ — News und Hintergrund zum Sportbetrug im Land mit den weltweit meisten Dopingfällen im Fußball @sportschau @rbb_Sport— Hajo Seppelt (@hajoseppelt) 30 июня 2018 г.
Another episode of ARD's "Doping Top Secret", aired in 2017, televized Seppelt's previous investigation into doping among footballers in Brazil. According to Seppelt Brazilian doctor, Julio Alves has been providing athletes with prohibited substances.
Beginning in 2014, ARD started releasing a series of documentaries on the alleged systematic use of doping by Russian track and field athletes.
The commission later reported that most of ARD's claims had been confirmed and recommended the International Association of Athletics Federations to temporarily ban Russian athletes from all competitions.
The match between five-time World Cup winners Brazil and Mexico is set to take place at the Samara Arena on Monday.
The 2018 FIFA World Cup kicked off in Russia on June 14 and will continue until July 15, with the games being played in 11 cities across the country.