“Ketamine Queen” sentenced to 15 years in prison for Matthew Perry’s death
Sanga is alleged to have given Perry the fatal dose on October 24, four days before his death
The “Queen of Ketamine” pleaded guilty to five charges in the Matthew Perry case
Prosecutors described her Los Angeles home as a "drug dealing center"
The “Queen of Ketamine” has admitted her guilt in the death of Matthew Perry
After the death of the "Friends" actor, four more people have been charged including doctors and Perry's assistant