Jaclyn Diaz

An ex-captain in the Houston Police Department was arrested Tuesday for allegedly running a man off the road and assaulting him in an attempt to prove a bizarre voter-fraud conspiracy pushed by a right-wing organization.

A Japanese court sentenced a convicted murderer dubbed the "Twitter Killer" to death early Tuesday.

Takahiro Shiraishi, 30, was found guilty by the Tokyo District Court for the murder of eight women and one man, according to reports. Shiraishi also robbed and sexually assaulted the eight women he murdered, some of whom were minors.

Updated Wednesday at 6:30 a.m. ET

The Federal Trade Commission is demanding that nine social media and tech companies share details on how they harness users' data and what they do with the information.

Cleveland's Major League Baseball team is the latest professional sports franchise to announce it will abandon its longtime name, which is widely seen as racist or culturally offensive.

The baseball club, known since 1915 as the Cleveland Indians, announced in a statement Monday that it will "begin the process of changing the name," according to a letter to fans from owner Paul Dolan.

Updated at 5:00 p.m. ET

Russian hackers working for the Kremlin are believed to be behind breaches of U.S. government computer systems at the departments of Treasury, Commerce and Homeland Security that may have lasted months before they were discovered, according to U.S. officials and media reports.

Updated at 11:15 a.m. ET

President-elect Joe Biden and Vice President-elect Kamala Harris defeated Donald Trump twice this year: once at the polls and again for Time's Person of the Year.

Time's choice to name Biden and Harris over Trump, who was also shortlisted, marks the first time a president-elect and vice president-elect have appeared together on a Person of the Year cover. Harris is also the first vice president-elect to get the designation.

Brandon Bernard, convicted for his involvement in the brutal murder of two youth ministers in 1999, was executed Thursday evening after failed eleventh-hour appeals from criminal justice advocates and celebrities, including Kim Kardashian West, to spare his life.

He was pronounced dead at 9:27 p.m. from a lethal injection at the Federal Correctional Center in Terre Haute, Indiana.

Historians for Johns Hopkins University discovered that the founder of the Baltimore-based school owned slaves, contrary to the long-held belief that the wealthy philanthropist was a staunch abolitionist.

Researchers Martha S. Jones and Allison Seyler made the discovery after delving into previously undiscovered government census records as part of a university-led project on the school's history.

Rudy Giuliani has left the hospital following treatment for COVID-19, days after his coronavirus diagnosis was made public in a tweet by President Trump.

Giuliani, the president's personal attorney, was spotted Wednesday evening leaving Georgetown University Hospital. He flashed a thumbs up sign out of his car's passenger-side window as he passed reporters.

The Justice Department filed a lawsuit against Alabama on Wednesday, saying unsafe and unsanitary conditions in the state's men's prisons violate the Constitution.

The DOJ says Alabama's prison system fails to provide adequate protection from prisoner-on-prisoner violence, sexual abuse and excessive force at the hands of prison staff.

Regulators in the United Kingdom are warning people with a history of severe allergies not to get the new coronavirus vaccine.

The advisory comes after two National Health Services employees, both with a history of severe allergies, had bad reactions after receiving the new Pfizer and BioNTech vaccine Tuesday, the first day of the U.K.'s nationwide immunization campaign.

Health officials in the United Arab Emirates announced Wednesday that a Chinese vaccine provides 86% efficacy against COVID-19 infection.

Subsequently, the UAE's Ministry of Health and Prevention officially pushed for a registration of the Sinopharm vaccine following several health agencies' analysis of late-stage trials in the country, officials said in a release on the state-run WAM news agency.

Margaret Keenan, a grandmother of four, made history Tuesday after getting a potentially lifesaving birthday present.

With one shot — or "jab" as Britons might say — Keenan, who turns 91 next week, officially launched the United Kingdom's nationwide coronavirus immunization campaign — the largest such effort in its history.

Brenton Tarrant, the man who carried out last year's deadly assaults on two mosques in Christchurch, New Zealand, was able to amass an arsenal of weapons without alerting authorities, whose focus was on potential threats from Islamist terrorism rather than right-wing extremism, according to a new report.

Citing an "uncontrolled spread" of coronavirus across 75 of its communities, the Navajo Nation expanded its current lockdown by three weeks in an attempt to clamp down on the spread of the virus.

The order, a continuation of the Nov. 16 mandate, remains in place from Monday until Dec. 28. The government previously ordered a lockdown for the nation of over 170,000 between March and August.