NEW : Snowden 's father asks the president to drop the complaint against his son . Snowden 's father talks about the Russian intelligence leaker . But the death penalty is not an option given the current charges against Snowden , and even if additional charges are filed , the United States would still not seek capital punishment , Holder wrote . Lon Snowden says his son did what he thought was right . The FBI and security officials in Washington are investigating his son .
NEW : Snowden 's father asks the president to drop the complaint against his son . Snowden 's father talks about the Russian intelligence leaker . Lon Snowden says his son did what he thought was right . The FBI and security officials in Washington are investigating his son .