Jasveen Sangha agreed to plead guilty Monday, becoming the fifth and final person implicated in the death of the ‘Friends’ star to do so

Jasveen Sangha, dubbed the 'Ketamine Queen,' agreed to plead guilty to multiple charges in connection with Matthew Perry's death

LOS ANGELES (AP) — One year ago, federal authorities announced that five people had been charged in connection with the ketamine overdose death of Matthew Perry. All five have now agreed to plead guilty, including the personal assistant of the “Friends” star, an old acquaintance and two doctors.