Effective Tuesday, May 17th, the Transportation Security Administration (TSA) will implement new changes to the Known Crewmember (KCM) program for crew members traveling to international destination on personal travel. The TSA policy changes is as follows:

Crew members traveling as a passenger for personal travel from a U.S. location to an international location, must be screened as a passenger through the passenger screening checkpoint prior to entering into the airport sterile area. Crew members are no longer allowed to use the KCM access point for personal travel from the U.S. to an international location.
Notice: Crew members traveling from the U.S. to international locations on company business may continue to use the KCM access points. Company business includes; but is not limited to, the following:
Flight Operations
Training
Crew Positioning
Dead Heading
Other Company Business

http://www.knowncrewmember.org/Pages/default.aspx