A number of people were charged, including the group's leader.
So far, only the seven soldiers have been charged, including four last week.
Several dozen have been charged, including many teenagers and a 9-year-old.
Five people have been charged in connection with the investigations, including one department employee.
The 15 men have been charged with several crimes, including association for the aim of international terrorism.
So far, four men have been charged, including Harding's former husband and bodyguard.
He was charged with six felonies, including four that carry the death penalty.
Foreign workers have been charged with various crimes, including theft, murder, and "black magic".
Three men were charged last year in the killing, including one linked to the Gambino crime family.
He is also charged with responsibility for the deaths of at least seven Tutsi, including a colleague, his wife and their children.