The Los Angeles Police Department is conducting a criminal investigation into the source of the ketamine that led to the death of actor Matthew Perry, LAPD Capt. Scot Williams told CNN Tuesday.

Los Angeles Police Capt. Scot Williams said in an email Tuesday ... 1994 to 2004 on NBC's megahit sitcom "Friends." READ MORE:Matthew Perry's death under investigation over ketamine level found ...

Matthew Perry appeared in just one episode of Beverly Hills, 90210, but it had a major impact on Brian Austin Green. At 90s ...