A new prison sentence has been issued in the Matthew Perry overdose investigation tied to ketamine distribution.

Five people pleaded guilty in connection with Matthew Perry’s ketamine-related death, including doctors, dealers and his assistant. Here’s where each case stands now.

For years, Jasveen Sangha, dubbed the “Ketamine Queen,” ran what prosecutors say in a sentencing memo was a “high volume drug trafficking business out of her North Hollywood residence.” She marketed ...