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.
HARRISBURG, Pa. (AP) - A state lawmaker who got into a shootout with a 15-year-old boy who was trying to rob him near Pennsylvania's Capitol said Wednesday the experience proves the value of packing a gun.
YOSEMITE NATIONAL PARK (AP) - The wing of a firefighting aircraft might have hit a tree and broken off before the tanker crashed into a canyon wall in Yosemite National Park, killing the pilot, federal investigators said Wednesday.
ARTESIA, NM (AP) - One of three centers used for detaining Central American families who have entered the U.S. illegally this year has started releasing many more detainees than it deports, a New Mexico city official said.
FORT WORTH, Texas (AP) - The nation's top disease-fighting agency acknowledged Tuesday that federal health experts failed to do all they should have done to prevent Ebola from spreading from a Liberian man who died last week in Texas to the nurse who treated him.
TYLER HILL, Pa. (AP) - A 10-year-old boy apparently angry that a 90-year-old woman had yelled at him held a cane against her throat and repeatedly punched her, killing her in her bed, prosecutors said.
PORTLAND, Ore. (AP) - Beachgoers in Oregon pulled a struggling swimmer to shore by forming a human chain after she and seven others were stranded on a rocky outcropping during high tide.
NEW YORK (AP) - No holiday screams pop culture controversy quite like Halloween.
MONTGOMERY, Ala. (AP) - After listening to his sermons for 24 years, parishioners of the Shiloh Missionary Baptist Church probably thought they knew the Rev. Juan D. McFarland.
LAS VEGAS (AP) - A 21-year-old man and his 22-year-old girlfriend are accused of attacking a Las Vegas school crossing guard who witnesses told police waved them to a stop in an Audi sedan as it sped through a school zone, according to an arrest report made public Tuesday.
NORTHUMBERLAND, Pa. (AP) - A Pennsylvania man was charged with child endangerment after police said a 9-year-old boy who was staying at his home died of an apparent drug overdose.
SALT LAKE CITY (AP) - A Utah school bus driver was arrested Monday on suspicion of DUI after driving erratically and nearly hitting a car on a busy stretch of highway while taking 67 elementary-school students on a field trip, authorities said.
NEW YORK (AP) - What is the price of being forced to raise a brown baby?
ATLANTIC CITY, N.J. (AP) - Just two days after a convicted murderer had been released from prison, he was arrested and charged in the beating death of his 64-year-old mother, authorities said.
NEWTON, N.J. (AP) - Hunters who bring in a bear to be weighed in New Jersey once the season starts will receive a cookbook that includes such recipes as "bear on a satay stick" and "grilled bear loin with brown sugar paste" to remind them that the animals are edible.
FERGUSON, Mo. (AP) - Pounding rain and tornado watches didn't deter hundreds of protesters Monday outside Ferguson police headquarters, where they stayed for almost four hours to mark how long 18-year-old Michael Brown's body was left in a street after he was fatally shot by police.