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.
ST. LOUIS (AP) - Michael Brown's official autopsy indicates he was shot in the hand at close range during a struggle, but a medical examiner not involved in the investigation says there's no way to conclude whether the injury meant the unarmed 18-year-old was trying to grab the gun of the officer who killed him.
DENVER (AP) - Three teenage girls being investigated for trying to join Islamic State forces in Syria were victims of an "online predator" who encouraged them, a school official said Wednesday, as U.S. officials tried to determine how they made it to Europe without anyone knowing and whether terrorists' appeal is deepening among vulnerable youth.
CROWN POINT, Ind. (AP) - A man who allegedly confessed to killing seven women in Indiana on Wednesday refused to speak or even acknowledge his name to a judge, and a sheriff explained later that the suspect was upset his hearing was in open court before dozens of journalists.
CAMBRIDGE, Mass. (AP) - The American Postal Workers Union is calling upon Harvard University's president to oppose a deal between Staples Inc. and the U.S. Postal Service, or resign her seat on the office supply company's board.
WASHINGTON (AP) - Fending off demands to ban travel from Ebola-stricken West Africa, the Obama administration instead tightened the nation's defenses against Ebola by requiring that all arrivals from the disease-ravaged zone pass through one of five U.S. airports.
SAINT-JEAN-SUR-RICHELIEU, Quebec (AP) - A young convert to Islam who killed a Canadian soldier in a hit-and-run had been on the radar of federal investigators, who feared he had jihadist ambitions and seized his passport when he tried to travel to Turkey, authorities said Tuesday.
ATLANTA (AP) - First, CVS Health pulled tobacco from its store shelves. Now, it plans to make some customers think twice about filling prescriptions at other stores that sell smokes.
DENVER (AP) - Three teenage girls from suburban Denver may have been trying to join Islamic State militants in Syria after stealing their parents' money and flying to Germany, authorities said Tuesday.
HARTFORD, Conn. (AP) - A convicted murderer sentenced to more than a half-century behind bars is suing the state of Connecticut, saying its ban on pornography in prison violates his constitutional rights.
ATLANTA (AP) - Federal health officials on Monday issued new guidelines to promote head-to-toe protection for health workers treating Ebola patients.
NEW YORK (AP) - The quarantine against possible Ebola exposure ends this week for Dr. Nancy Snyderman, but the troubles clearly aren't over for NBC News' chief medical editor.
DETROIT (AP) - The U.S. government issued an urgent plea to more than 4.7 million people to get the air bags in their cars fixed, amid concern that a defect in the devices can possibly kill or injure the driver or passengers.
DETROIT (AP) - United Nations human rights experts described Detroit's mass water shut-offs as "a man-made perfect storm" Monday and called on city officials to restore water to those unable to pay, including those with disabilities or chronic illnesses.
KANSAS CITY, Mo. (AP) - A 6-year-old girl was killed during a drive-by shooting while shopping for bubblegum with her father at a convenience store in Kansas City, according to police, who are vowing to find those responsible for her death.
WAILUKU, Hawaii (AP) - A man surfing with his three young sons used his fist and surfboard to fend off a shark attack in waters off Maui that were rough and murky from a hurricane that churned passed Hawaii over the weekend.