Matthew Perry’s drug death investigators have denied they probed his passing due to his A-list status. Five people including ‘Friends’ actor Matthew’s long-time assistant, a former movie director, two doctors and an alleged dealer dubbed the ‘Ketamine Queen’ have been charged after the star’s death in his hot tub on 28 October after he took three huge injections of anaesthetic. Martin Estrada, the US Attorney for the Central District of California, has now told People about how the suspects were not pursued because Matthew’s death had grabbed global headlines: “This was not investigated and lo…