Brittney Griner Detention Extended. Moscow — wnba star brittney griner will remain in russian custody through at . Griner, who has been detained in russia since . The day after members of brittney griner's wnba team met with state department officials to discuss what the u.s. The khimki district court of the moscow region extended griner's detention for a third time, according to the tass report, which also cited a . Brittney griner's detention in russia extended for a third time: Griner's detention was extended for another six months. The day after members of brittney griner's wnba team met with state department officials to discuss what the u.s. Wnba star brittney griner will reportedly be held in russia for . Griner's detention was extended for another six months. A russian court ruled to extend the detention of wnba star brittney griner once again. Brittney griner could face 10 years in prison if convicted on allegations that.