Laurel Wamsley

Updated at 4:20 p.m. ET

Authorities say a fourth device that exploded in Austin, Texas, this month indicates a "serial bomber" — and one who is more sophisticated than the earlier bombs suggested.

Updated at 10:05 p.m. ET

Florida transportation officials say that an engineer with the private firm that designed the concrete bridge that collapsed Thursday called the state two days before the incident to report cracks in the structure.

It's not immediately known whether the reported cracks contributed to the collapse of the pedestrian walkway that was intended to join the campus of Florida International University and the city of Sweetwater.

In the latest battle involving the works of Harper Lee, the author's estate is suing producer Scott Rudin over the script of an upcoming Broadway play of To Kill A Mockingbird.

In a lawsuit filed in federal court in Alabama, Lee's estate complains that the new production by Rudin and writer Aaron Sorkin deviates too much from the novel.

The U.S. Justice Department has charged three Central Illinois men with the bombing of a Minnesota mosque in August.

Michael Hari, 47, Michael McWhorter, 29, and Joe Morris, 22, were charged with using an explosive device to damage the Dar al-Farooq Islamic Center in Bloomington, near Minneapolis. No one was hurt in the bombing, which exploded in the imam's office.

The state attorney in Broward County, Fla., announced Tuesday that he intends to seek the death penalty in the Parkland school shooting case.

In a news release, Broward County State Attorney Michael Satz said he had filed the notice of intent to seek death in the case against 19-year-old Nikolas Cruz.

Cruz has been charged with 17 counts of murder and 17 counts of attempted murder in the shootings at Marjory Stoneman Douglas High School last month.

If National Geographic's April issue was going to be entirely devoted to the subject of race, the magazine decided it had better take a good hard look at its own history.

Editor in Chief Susan Goldberg asked John Edwin Mason, a professor of African history and the history of photography at the University of Virginia, to dive into the magazine's nearly 130-year archive and report back.

Famed French fashion designer Hubert de Givenchy has died at age 91, the couture house bearing his name confirms.

Known for designing the little black dress that Audrey Hepburn wears in the opening scene of 1961's Breakfast At Tiffany's, Givenchy was a trailblazer in the world of ready-to-wear fashion.

Born into an aristocratic family in the northern French town of Beauvais, Givenchy was a physically towering man who launched his first collection to immediate fanfare, as Reuters reports:

The FBI paid Best Buy Geek Squad employees as informants, rewarding them for flagging indecent material when people brought their computers in for repair.

That's according to documents released to the Electronic Frontier Foundation, a digital civil liberties organization, which filed a Freedom of Information Act lawsuit seeking records that might show warrantless searches of people's devices.

In a case that may have a significant implications for Seattle's fast-growing homeless population, a King County Superior Court judge ruled on Friday that the pickup truck a man was living in was his home.

Since Gerald Ford, every president has released their tax returns. Except for our current president, that is.

Maryland is the latest state attempting to make the release of tax returns not simply a gesture of transparency by a presidential candidate, but a requirement to run for the job.

What qualifies as a dumpster fire depends on who's watching, but you tend know it when you see it.

But if forced to define it for someone not prone to hashtagging, you might quote Merriam-Webster:

Dumpster fire (noun, US informal): "an utterly calamitous or mismanaged situation or occurrence: disaster."

Colorado state law permits lawmakers to carry concealed weapons at the state Capitol because it's their place of business.

Updated at 1:52 a.m. ET Saturday

The suspect in the fatal shooting of two people at Central Michigan University is now in custody, the school said early Saturday.

Nineteen-year-old James Eric Davis Jr. was "seen and reported by an individual on a train passing through the north end of campus shortly after midnight. Law enforcement personnel responded and arrested the suspect without incident," the university said.

A Tennessee jury found the driver of a school bus guilty of six counts of negligent homicide in a November 2016 crash that killed six children on their way to elementary school.

Prosecutors argued that the driver, Johnthony Walker, was talking on his cell phone and driving 50 mph in a 30 mph zone when he crashed the bus into a walnut tree, flipping it onto its side. Two dozen children were also injured.

Carles Puigdemont, the ousted separatist leader of Catalonia, is abandoning his bid to be elected once again as president of northeastern region of Spain.

In a video message posted from Belgium where he's in exile, Puigdemont called the actions of the Spanish authorities only "a temporary setback."

Employees in South Korea work long hours: 2,069 hours per worker annually – the second-highest among the Economic Cooperation and Development states, after Mexico. In the United States, that figure is 1,783.

Updated 9:55 a.m. ET

President Vladimir Putin said in his annual state-of-the-nation speech that Russia has tested powerful nuclear weapons that render missile defense systems useless.

Those weapons include cruise missiles, nuclear-powered underwater drones and a new hypersonic missile that travels five times the speed of sound.

Florida Gov. Rick Scott has ordered an investigation into law enforcement's response to the shooting in Parkland earlier this month.

Broward Sheriff Scott Israel is under scrutiny for how his office handled complaints it received about Cruz in the years before the shooting, as well as reports that deputies failed to act during the shooting itself.

Updated at 6:40 p.m. ET

The Weinstein Co. says it will file for bankruptcy after a deal for the sale of the company fell apart.

In December 2009, a small painting by Edgar Degas was quietly stolen from the Cantini museum in Marseille, France. Museum staff discovered Les Choristes was missing when they arrived in the morning, and the prosecutor suggested it could be an inside job because the painting had been unscrewed from the wall and there was no evidence of a break-in.