OXFORD, Miss. (AP) - The ricin mailed to the president and a U.S. senator is relatively easy to make but generally can't be used to target a large number of people, experts say.
Police arrested Dzhokhar Tsarnaev Friday night after finding him hiding in a boat parked behind a home in Watertown, the Boston suburb authorities shut down to conduct house-by-house searches. A flurry of gunfire broke out around the time officials lifted a shelter-in-place order that effectively shut down Boston and a number of surrounding suburbs. Tsarnaev, identified by authorities as Suspect No. 2, was on the loose for almost 20 hours after his brother, Tamerlan, was killed in a getaway attempt.
ARIZ. WOMAN ACCUSED OF ABUSING NIECE PLEADS GUILTY: PHOENIX (AP) - The legal guardian of a 10-year-old Arizona girl who died in 2011 after being padlocked in a footlocker by another family member pleaded guilty in the case Friday.
WATERTOWN, Mass. (AP) - A 19-year-old college student wanted in the Boston Marathon bombings was taken into custody Friday evening after a manhunt that left the city virtually paralyzed and his older brother and accomplice dead.
WATERTOWN, Mass. (AP) - A tense night of police activity just days after the Boston Marathon bombings has caused police to converge on a neighborhood outside Boston where they say there were explosives.
WEST, Texas (AP) - Rescuers searched the smoking remnants of a Texas farm town Thursday for survivors of a thunderous fertilizer plant explosion, gingerly checking smashed houses and apartments for anyone still trapped in debris while the community awaited word on the number of dead.
AUSTIN, Texas (AP) - People keep asking Joe Berti if he feels unlucky.
BOSTON (AP) - Plucking a couple of blurry faces in baseball caps out of a swarming crowd, the FBI zeroed in on two suspects in the Boston Marathon bombing and shared surveillance-camera images of them with the world Thursday in hopes the public will help hunt them down.
REVERE, Mass. (AP) - A teenager said he is scared to go outside after he was portrayed on the Internet and on the front page of the New York Post as connected to the Boston Marathon bombings.
WASHINGTON (AP) - Air traffic controller furloughs scheduled to kick in on Sunday could result in flight delays of more than three hours in Atlanta, as well as significant delays in Chicago, Los Angeles and New York-area airports, federal officials said Thursday.
KAUFMAN, Texas (AP) - A former Texas justice of the peace seeking revenge for a theft conviction that ended his judicial career carried out a plot with his wife to kill the men who prosecuted him, authorities said Thursday.
CINCINNATI (AP) - A popular southwest Ohio air show has canceled plans to stage a re-enactment of the devastating World War II atomic bomb attack on Japan after protests, officials said Thursday.
MONTANA GOV. SIGNS BILL DECRIMINALIZING GAY SEX: HELENA, Mont. (AP) - An obsolete law deeming gay sex as deviant - akin to bestiality - was stricken from Montana code Thursday, prompting gay rights activists to say they hope that full legal equality may be close at hand.
MOUNT PLEASANT, Mich. (AP) - The former minister of a small Michigan congregation was sentenced Thursday to at least 56 years in prison for killing his fiancée's 24-year-old daughter, allegedly to fulfill a fantasy to have sex with a dead body.
BOSTON (AP) - The FBI released photos and video Thursday of two suspects in the Boston Marathon bombing and asked for the public's help in identifying them, zeroing in on the two men on surveillance-camera footage less than three days after the deadly attack.
CONCORD, N.H. (AP) - First, Iowa. Then, South Carolina. Now, New Hampshire.
FAIRBANKS, Alaska (AP) - Warm weather continues to play havoc for organizers of the world's most famous sled dog race.
• POLICE: BUS AIDE STOLE LUNCH MONEY, FOOD FROM PRESCHOOLERS: MILVILLE, N.J. (AP) - A school bus aide has been charged with stealing lunch money and bagged lunches from preschoolers in New Jersey.
NEW YORK (AP) - Nickelodeon is creating brand-new content and resurrecting old shows for a mobile subscription service aimed at preschoolers.
WASHINGTON (AP) - The Supreme Court ruled Wednesday that a state regulatory board made up mostly of dentists violated federal law against unfair competition when it tried to prevent lower-cost competitors in other fields from offering teeth-whitening services.
NEW YORK (AP) - The owner of T.J. Maxx, Marshalls and HomeGoods stores became the latest retailer to boost pay for its U.S. workers, putting pressure on other chains to do the same.
LAS VEGAS (AP) - Police knew a 19-year-old suspect in a shooting that killed a neighborhood mother of four smoked marijuana before he surrendered during a standoff last week, and investigators questioned him while he was high, a defense lawyer said Tuesday.
MIAMI (AP) - George Zimmerman, the former neighborhood watch volunteer who fatally shot Trayvon Martin in a 2012 confrontation with the teenager, will not face federal charges, the Justice Department said Tuesday.
SEATTLE (AP) - For the first time, a study shows that a drug used to treat HIV infection also can help prevent it when taken before and after risky sex by gay men.
STEPHENVILLE, Texas (AP) - A former Marine was convicted Tuesday in the deaths of the "American Sniper" author and another man at a shooting range two years ago, as jurors rejected defense arguments that he was insane and suffered from psychosis.
LIBERTY, Mo. (AP) - A Missouri sixth-grader with Asperger's syndrome has suffered complications from a severe beating he took in the lunchroom from another student, his parents say.
CHICAGO (AP) - Chicago Mayor Rahm Emanuel failed to capture a majority of the vote in Tuesday's municipal election, an embarrassment for the former White House chief of staff because it forces him into a runoff this spring against Cook County Commissioner Jesus "Chuy" Garcia.
JUNEAU, Alaska (AP) - Smoking, growing and possessing marijuana becomes legal in America's wildest state Tuesday, thanks to a voter initiative aimed at clearing away 40 years of conflicting laws and court rulings.
KANSAS CITY, Mo. (AP) - A man who was released on bond in a burglary case used snacks to lure a 6-year-old girl into his motel room in the southwest Missouri tourist town of Branson and strangled her, court records say.
ATLANTA (AP) - For years, parents of babies who seem likely to develop a peanut allergy have gone to extremes to keep them away from peanut-based foods. Now a major study suggests that is exactly the wrong thing to do.