A list of mass murders in the United States this year

ROCKFORD, ILLINOIS: March 27

In a shooting spree involving stabbings and fights, four people were killed and at least seven were injured within a matter of minutes. Authorities said a 22-year-old man was charged. His motive was initially unclear to police. The mayor of Rockford said the victims were aged 63, 23, 49 and 15.

IRELAND, WEST VIRGINIA: March 11

The bodies of four people, ranging in age from three months to 90 years old, were found in the remains of a burning house. A fifth person with an apparent gunshot wound was discovered dead behind a chicken coop nearby, authorities said. A 45-year-old male suspect was found dead about 180 kilometers away. He had committed suicide while parked in a vehicle outside his relatives’ house. Authorities did not immediately release details about the motive.

HONOLULU, HAWAII: March 10

Authorities said a woman and three children, ages 10, 12 and 17, were stabbed to death in a Manoa home. The woman’s husband was also found dead. Police said preliminary investigations indicate the husband stabbed his wife and children. Authorities did not immediately release a motive. Police said the five deaths were the worst mass killing in the state since 1999. They said there had been no past visits to the home.

KING CITY, CALIFORNIA: March 3

Police said three men wearing dark masks got out of a silver Kia and opened fire at an outdoor party in central California, killing three men and a woman and wounding seven others. The shooting occurred on a street of modest homes across from a commercial district in King City, near Pinnacles National Park.

FERGUSON, MISSOURI: February 19th

Authorities said a 39-year-old woman intentionally set a fire at her home to kill herself and her four children, ages 2, 5, 9 and 9. Investigators believe the mother set a mattress on fire and left a note saying she wanted to kill herself and her children, police said. When firefighters arrived, they found the house engulfed in flames. Neighbors tried to save the family, but the fire was too big.

BIRMINGHAM, ALABAMA: February 16

Officials said four men were killed in a drive-by shooting. Dozens of shots were fired outside a Birmingham home, police said. People were standing outside a home getting their cars washed when someone drove by and opened fire. No arrests were immediately reported.

HUNTINGTON PARK, CALIFORNIA: February 11th

Shootings lasting several hours left four people dead: a man in Bell, a man in a Los Angeles mall parking lot, a 14-year-old boy in Cudahy and a homeless man in Huntington Park, authorities said. At least one other youth was injured. Two suspected gang members were arrested in connection with the shootings, authorities said.

EAST LANSDOWNE, PENNSYLVANIA: February 7

Six human remains were recovered from the ashes of a fire that destroyed a home near Philadelphia, according to the district attorney’s office. Authorities suspect the dead — including three children — were killed by a 43-year-old male relative who also died after shooting and wounding two police officers, prosecutors said. A motive was not immediately identified.

EL MIRAGE, CALIFORNIA: January 23

Authorities have found the bodies of six men in the Mojave Desert outside the sparsely populated community of El Mirage after someone called 911 and said he had been shot, sheriff’s officials said. The men were likely shot during a dispute over marijuana, authorities said. The bodies were found about 50 miles northeast of Los Angeles in an area known for illegal cannabis trafficking. Five men have been arrested and charged with murder.

JOLIET, ILLINOIS: January 21

Authorities said a 23-year-old man shot and killed eight people – including seven of his relatives – and wounded a ninth person in a Chicago suburb. He later shot himself during a confrontation with police in Texas. Authorities believe he was trying to cross into Mexico. Police said the victims included his mother, siblings, aunt, uncle and two men he may not have known. They were found in two homes, outside an apartment building and on a residential street.

TINLEY PARK, ILLINOIS: January 21st

A 63-year-old man in a Chicago suburb killed his wife and three adult daughters in a domestic shooting, police said. The man allegedly shot the four family members – 53, 24 and two 25-year-old twins – after an argument in their home. He has been charged with four counts of first-degree murder.

RICHMOND, TEXAS: January 13

A 46-year-old man shot and killed his estranged wife and three other relatives, including his 8-year-old niece, in a suburban Houston home before killing himself, authorities said. Authorities said the man told his estranged wife he wanted to get back together with her, but she refused. In addition to his niece and estranged wife, he also killed her brother and sister, ages 43 and 46.

REEDLEY, CALIFORNIA: January 6

A 17-year-old boy has been charged with killing four members of a neighboring family in central California. He lived next door to the victims — ages 81, 61, 44 and 43 — in Reedley, a small town near Fresno. Three bodies were found in their backyard, including one in a shallow grave, while another was found in the detached garage of the teen’s home, police said.