On April 13, 2022, a knife rampage occurred at around 0:13 a.m. in Seonghwan-eup, Cheonan-si, Chungcheongnam-do. According to the police, Kim (54 years old at the time) allegedly killed two women in her 30s by wielding a weapon against two couples who had a quarrel on the sidewalk in front of a karaoke room in Seonghwan-eup, Seobuk-gu, Cheonan. The husbands of the victim couple were reportedly devastated while waiting for a chauffeur to return home after the dinner gathering. Two women in their 30s were taken to a hospital with cardiac arrest, but died, and two men were seriously injured and are being treated. Kim, a criminal with eight previous convictions, was arrested after being reported to the police while fleeing after the crime. Experts claimed that the perpetrator targeted the victims' neck, heart, and sides in the process of wielding a weapon, and that the depth of the wound suggests that it was a planned murder, not an accident. There was also testimony that the perpetra

 On September 4, 2022, a series of knife rampages at James Smith's Creations in south-central Canada and the nearby town of Weldon resulted in the deaths of more than 10 indigenous people. Damien Sanderson, the older brother of the brothers identified as the suspect in the case, was found dead, and his younger brother Miles Sanderson died of self-harm during his arrest, bringing the total number of deaths to 12. The incident occurred on September 4th during the Labor Day holiday in Canada, causing national mourning. Canadian Prime Minister Justin Trudeau has officially expressed his condolences and Parliament has opened early. The James Smith Creation, an area of about 2,000 people, is a Canadian Native Reservation. Administratively, it belongs to the 100th district of James Smith, Saskatchewan, with an area of 72 km2, similar to the area of Ulleungdo Island. Weldon is a small town 20 km southwest of James Smith CREATION, located about 30 minutes by car. It has about 200 inhabitant

 On September 12, 2022, the murder at the villa in Yangjeong-dong, Busanjin-gu, occurred during the Chuseok holiday, and the victims who thought they had passed away due to hardships were found to be murder. The incident occurred at 12:50 p.m. in a villa in Yangjeong-dong, where a middle school student D was sleeping in another room, and found his mother B and his high school sister C, who died on charges of six murders. Mr. D reported to the police with the help of the neighbor's owner. At the time the police were dispatched and found, B was stabbed with a weapon, and C was found to have bruises and strangled. D stated, "When I woke up, my mother died in the living room and my sister died in the room." At first, the police concluded that the victims were suicidal because they suffered from hardships and there were no signs of outside intrusion. However, the police investigated the possibility of murder, suspecting that 6 million won of precious metal disappeared from the

 On April 6, 2022, a woman in her 40s, who was arguing over investment in Busan Metropolitan City, strangled a male doctor in her 50s and buried him in a field of acquaintances in Yangsan, Gyeongsangnam-do. Later, when there were more problems, he even took out the buried body's hand and made a thumbprint to forge a stock contract. A woman in her 40s and victim B in their 50s, who met at a stock cafe, partnered, but lost the principal after failing to invest hundreds of millions of won in investment that A received, and B was in trouble to pay the office monthly rent. In addition, A implicitly used the investment as personal living expenses and failed to repay it properly. Angrily, B notified that she would consult with A's husband if she did not return 100 million won by March 28. If this is revealed to her husband, A decides to kill B, judging that there is a possibility of divorce. In advance, he lied about planting trees in a field of an acquaintance in Yangsan-si, Gyeongsa

 On Tuesday, October 25, 2022, in an apartment in Soha-dong, Gwangmyeong-si, Gyeonggi-do, A (45 years old at the time) killed his wife B (42 years old at the time) and his two sons (15 years old and 10 years old at the time). Immediately after the murder, A went to a PC room, watched an animation, and returned home at around 11:27 p.m. and reported to 119 that his family was dead. Paramedics and police who received the report confirmed that there were no signs of outside intrusion, and found a weapon used in the murder and clothes worn at the time of the crime, and said A confessed to the crime. According to the testimony of the neighbors, he testified that he heard a thumping sound that was not normally heard at the time of the crime. The police suspect that A secretly threw away the weapon and clothes he wore at the time of the crime after fleeing through a window next to the emergency stairs at the front door of the apartment, which is a blind spot of CCTV, shortly after the crime.