However , the names of the individuals involved remain confidential .
While most of the focus of the ARD documentary involves track and field in Russia , suspicious blood values were also mentioned for many Kenyan , German , Spanish , Moroccan and British athletes , among others .
The names of the individuals involved remain confidential .
While most of the focus of the ARD documentary involves track and field in Russia , suspicious blood values were also mentioned for many Kenyan , German , Spanish , Moroccan and British athletes , among others .