U.S. intelligence and law enforcement agencies say that in the past year, federal agents have seen an increase in “chatter” from an array of domestic extremist groups, which can include radical self-styled militias, white separatists, or extreme civil libertarians and sovereign citizens; in explaining why the FBI, DHS, and other agencies are worried about the letters sent to the governors, intelligence sources say officials have no specific knowledge of plans to use violence, but they caution police to be aware in case other individuals interpret the letters “as a justification for violence or other criminal actions”

The FBI and DHS are investigating letters sent to 30 governors demanding their resignation within 30 days; “While there does not appear to be credible or immediate threats of violence attached to the letters, we are working with state and local authorities and continue to assess the matter,” the FBI and DHS said in a joint statement

The FBI raids the homes of members of a Michigan-based militia and arrests nine; the group members are charged in plot to wage war with U.S.; the men planned to kill a law enforcement officer and then attack and bomb that officer’s funeral, where there was certain to be legions of law enforcement attending

Russia’s cities are bracing themselves for a renewed terrorist bombing campaign after two “black widow” suicide bombers launched a rush-hour attack on the Moscow metro killing 38 people and injuring 64; the Monday explosions were the deadliest suicide attacks in Moscow since 2004, when the bombing of a metro train killed 41

The U.K. police are testing a new tool in the fight against terrorism: surveillance of Internet cafés; owners and patrons are asked to watch for — and report to the authorities — suspicious behavior; owners are asked to scan the hard drives in their shop on a regular basis to look for suspicious browsing and communication patterns; monitoring of Internet cafés’ computer use has been tried in several
countries, including India and the United States; civil libertarians worry that without a clear definition of suspicious behavior or suspicious Web
browsing, individuals with outside-the-mainstream political or religious views may be targeted

Trucking industry says that contrary to a scenario in a recent report on the subject, in which a gasoline tanker is hijacked and disappears, a rigorous daily delivery schedule means an out-of-route tanker would be reported very quickly, with or without tracking gear; industry calls for a single, uniform background checking approach

The domestic landscape of terrorism in the United States is changing: there is no escaping the fact the most alarming thing about a string of recently arrested terror suspects is that they are all Americans; more than a dozen Americans have been captured or identified by the U.S. government and its allies over the past two years for actively supporting jihad; some, according to prosecutors, were inspired by the U.S. involvement in the Iraq and Afghanistan wars; others, like the accused Pennsylvania woman, wanted to avenge what they considered an insult to the Prophet Mohammed; many traveled overseas to get terrorist training; some used home computers to foment plots; says a terrorism expert: “There really is no profile of a terror suspect; the profile is broken, [and] it’s women as well as men, it’s lifelong Muslims as well as converts, it’s college students as well as jailbirds”

After the 9/11 attacks, Bin Laden boasted that he sued an operation which cost al Qaeda $500,000 to finance to inflict a $500 billion damage on the U.S. economy; it was not a mere boast: it was an indication the econo-jihad was an integral part of al Qaeda’s strategy to weaken and defeat the West; “the economic turn actually influences the terrorists’ targets, which have included oil-drilling infrastructures, tourism, international economic institutions and more. Indeed, Islamic terrorism’s future devices will focus on targets that will yield the most economic damage,” one expert says

Discount supermarket chain commercial draws inspiration from surveillance footage of Dubai assassination; shows actors carrying tennis rackets, wearing wigs, hats; an actress wearing a wide-brimmed floppy hat mimics Israel’s policy of maintaining deniability, saying she “couldn’t admit to anything”