Katie Perinovic, 42, her two daughters Claire and Anna, aged 7 and 5, and 3-year-old son Matthew were found dead at a property in Melbourne, Australia, on Thursday afternoon.
Nashville police are questioning a 29-year-old suspect who surrendered to officers shortly after the shooting.
First responders discovered the wounded Sgt. Jessica Mitchell after responding to a call of a shooting along I-10, near West Avenue in San Antonio, Texas.
Karl Aaron Bemish faces a charge of first-degree murder after Hilary Engel was found dead at a residence in Lakewood, Colorado.
Kennedy Maxie died six days after she was hit by the bullet as her family drove past a shopping center in Atlanta.
Nathan Burk, 28, was found injured inside a UPS shipping truck around 10:30 p.m. in Watertown on Tuesday. He later died in hospital from his injuries.
The Gun Violence Archive reported over 17,400 gun deaths and 36,300 gun injuries in 2020 as of December 1, a significant increase compared with 2019, which saw over 15,400 gun deaths and 30,000 injuries in total for the year.
Christopher Trevino, 19, was shot dead after rushing to his sister's aid in Kyle, Texas.
"This loss is devastating not only to the member's family and loved ones but every police officer across the city, state, and country," the Concord Police Department said.
A relative found four members of the same family—including two children—dead inside a home in Elkview, West Virginia, after going to check on them.
Franchelli Almonte, 36, was trying to help her friend's daughter, who was reportedly being held against her will in a North Side apartment.
The man, aged in his 50s, was transported to hospital after he lost consciousness moments after he was taken into custody in Houston, Texas.
Jalajhia Finklea was last seen on October 20 in New Bedford, Massachusetts. Her presumed remains were found about 1,300 miles away in Fellsmere, Florida, on Wednesday, authorities said.
A 17-year-old boy became the 300th murder victim in Los Angeles this year after he was fatally shot when he was riding a motorbike near his home.
The attack occurred at the Grace Baptist Church, near the San Jose State University campus, in San Jose, California.
Dog walker made the grisly discovery in the Windy Hill area on Sunday morning.
Ellen Priscila Ferreira da Silva, 24, was four months pregnant when she was murdered, according to detectives.
Kylee Leniz, aged 16, of Elko, Nevada, was rushed to hospital after the shooting at the fast food chain on Sunday evening but was later pronounced dead.
Gunmen opened fire after pulling up in a taxi outside a house where the event was taking place.
Curtis Wickham, 26, was found severely mauled by three pit bulls at a home in west Tulsa Thursday morning.
Police are investigating the death of a 16-year-old as a homicide, and are urging anyone with information to come forward
Deandre Austin was found unresponsive at Mule Creek State Prison in Ione, southeast of Sacramento.
The remains of 66-year-old Steven Mark Brashear were discovered near Pima Canyon, Tuscon, sparking a homicide investigation.
Data released by the Chicago Police Department shows the city seeing at least 611 homicides from the beginning of the year through October 11. A tracker from the Chicago Sun-Times shows 616 homicides in the city throughout 2020.
Martha McGinsey, 62, was murdered while at home in Mobile after her son was charged with murder.
Lorenzo Pulliam of Dania Beach has been arrested over the death of Allyson Williams who was found floating in the water last month.
Detectives say the man, who was in his 30s, was killed after being chased down a hallway of a timeshare apartment at The Grandview in Las Vegas Boulevard South.
Police say the victim was not wearing any shoes but a pair of sneakers and a hat were found nearby.
A child, her classmates and teacher overheard the shooting of a woman by her brother in Milwaukee, Wisconsin, prompting the teacher to call 911 to the student's house.
"If there's somebody hurt, I'm running into harm's way. That's why I have my rifle, because I can protect myself, obviously," the 17-year-old says in a video.