Matthew Perry's death 'investigated by US Postal Service' in new ketamine probe
![Matthew Perry's death 'investigated by US Postal Service' in new ketamine probe](https://i2-prod.dailystar.co.uk/showbiz/us-showbiz/article32310970.ece/ALTERNATES/s615/2_aol-build-presents-the-odd-couple.jpg)
The death of Friends actor Matthew Perry is reportedly being looked into by the US Postal Inspection Service, in a bid to find out more about the ketamine that killed him