Moscow's international airports were temporarily closed due to safety concerns after air defense forces intercepted multiple Ukrainian drones.
Griner's lawyer Alexander Boykov told reporters they were hoping for the most lenient sentencing possible.
Black boxes from the jet that crashed and killed Yevgeny Prigozhin and nine other people have also been recovered by Russian investigators.
The Russian President also expressed "sincere condolences" to the families of those who died.
Russian President Vladimir Putin has confirmed National Security Agency whistleblower Edward Snowden's presence at the airport in Moscow but has refused to hand over him to the United State authorities.
US WNBA All-Star Griner's detention in Russia extended
US basketball player Brittney Griner teared up during her first news conference after being detained in Russia for nearly 10-months.
The Obama administration has asked Russia to "expel" fugitive National Security Agency leaker Edward Snowden "without delay", even as it agreed with the Russian President Vladimir Putin that the two countries should avoid a diplomatic showdown over the issue.
A Russian court sentenced US basketball star Brittney Griner to nine years in prison on Thursday after finding her guilty of deliberately bringing cannabis-infused vape cartridges into Russia, a ruling that President Joe Biden called "unacceptable."
Ecuador said it would take months to decide on whether to grant asylum to United States whistleblower Edward Snowden, currently staying in Moscow airport for the fourth day in a row after fleeing Hong Kong.
American whistleblower Edward Snowden, currently sheltered in the transit zone of Moscow airport, has sought asylum in 20 countries, including India.
Intelligence whistleblower Edward Snowden has said that he has already "accomplished" his mission by leaking details of global electronic surveillance by America that have embarrassed the Obama administration and forced a review of the United States spying policies.
'Instead of fighting over whatever will be left of the present world, the permanent members of the UN security council should have raised a little finger to arrest the death and devastation around us,' notes Ambassador T P Sreenivasan.
Prime Minister Manmohan Singh on Thursday said expanding Indo-Russian bilateral cooperation and consolidating coordination on regional and global issues was in the interest of India and that of global peace and prosperity.
Whether history will remember Edward Snowden as a traitor to his country or as a champion for free speech and less intrusive government is hard to tell, but the issues he has brought into focus need deep thought, writes Ajit Balakrishnan
Thirteen women, who have broken gender stereotypes, reveal what it takes to do a 'man's job'.