Investigators Dig for Roots of Bomb Suspects' Radicalization  —  WASHINGTON — The two men suspected in the Boston Marathon bombings were armed with a small arsenal of guns, ammunition and explosives when they first confronted the police early Friday, and were most likely planning more attacks, the authorities said Sunday.

Lindsey Graham: Wrong name hid Russia trip  —  Sen. Lindsey Graham (R-S.C.) said Monday that the FBI did not know that Tamerlan Tsarnaev — the deceased Boston Marathon bombing suspect — went on a six-month overseas trip in 2011 because his name was misspelled.

The Conservative Paranoid Mind  —  There's a common thread linking conservatives' positions on gun control, immigration, and Dzhokhar Tsarnaev: the constant need to stoke fear.  By Michael Tomasky.  —  Liberals and civil libertarians shouldn't yet be saying that there's utterly …

Boston bombing suspects did not have valid handgun licenses  —  (Reuters) - The two brothers suspected in the Boston Marathon bombings, who police say engaged in a gun battle with officers early Friday after a frenzied manhunt, were not licensed to own guns in the towns where they lived, authorities said on Sunday.

Boston Marathon Bombings: Turn to Religion Split Bomb Suspects Tamerlan and Dzhokhar Tsarnaev's Home  —  By ALAN CULLISON in Makhachkala, Russia, PAUL SONNE in Moscow, ANTON TROIANOVSKI in Cambridge, Mass., and DAVID GEORGE-COSH in Toronto  —  After last week's Boston Marathon bombings …

EXCLUSIVE - How doctor's daughter became the Muslim convert widow of Boston bomber: Terrorist husband ‘brainwashed’ her and she gave up her dreams of college to have his baby at 21  — Schoolfriend tells MailOnline how Katherine Russell had dreams of joining the Peace Corps - but was ‘totally transformed’ by Tamerlan Tsarnaev

Dead suspect broke angrily with Muslim speakers  —  Evidence mounts of radical turn  —  Tamerlan Tsarnaev, one of the brothers accused of bombing the Boston Marathon, angrily disrupted a January talk at a Cambridge mosque when a speaker compared the Prophet Mohammed and the peace activist …

Marathon bombing suspects not registered to vote  —  CAMBRIDGE, Mass. — The Boston Marathon bombing suspects' geopolitical leanings are still largely a mystery, and so is their American political outlook, after a review of records in this city where they lived for the last several years.