• U.S. Issues Anti-Terror Regulations for Rail Systems: The Department of Homeland Security issued the first federal security directive for the nation's commuter and subway systems on Thursday.
• Coincidentally there have been multiple reports of suspicious activity along the New York-Philadelphia-Washington rail link.
...New Jersey attorney general's office is investigating at least seven instances in the last week of suspected surveillance along New Jersey Transit commuter lines leading into Philadelphia, Trenton and New York City...
...the discovery of a wireless transmitter that seemed to be carefully hidden in the gravel under some tracks in Philadelphia...spray-painted black and tucked neatly in the trackside ballast...
Rail terrorism suspected in U.S. northeast [Washington Times, 21-May]
Train Probe [WPVI-TV Philidelphia, 20-May]
• Two trains en route to Washington searched by Amtrak police: Amtrak officials would not comment on why two Acela Express high-speed trains were stopped and searched Thursday night. Both were bound for Washington, D.C., from New York.
• FBI warns of suicide bombers: A lightly classified FBI intelligence bulletin circulated yesterday warns law enforcement agencies to be on the alert for attempted strikes by suicide bombers.
FBI Issues Homeland Suicide Bomber Warning [Time.com, 20-May]
• We are not ready for the next attack: Newsday columnist Marie Cocco says, "the 9/11 Commission reminds us the war was here and could come again. We are not prepared for the next battle."