Dr. Salvador Plasencia pleaded guilty to four counts of illegal distribution of the prescription anesthetic ketamine.

A doctor charged in connection with Matthew Perry’s sudden death pleaded guilty in connection with the 'Friends' actor’s fatal ketamine overdose.

One of the five people charged in the overdose death of "Friends" actor Matthew Perry pleaded guilty on Wednesday. CBS News' Carter Evans has more.

A doctor who was a primary target in the sweeping investigation of actor Matthew Perry’s overdose death pleaded guilty ...

Social media users have shared their shock after learning the detail about Steven Spielberg's much-loved classic ...