On April 22, 2021, an incident in Sinpo-dong, Jung-gu, Incheon, occurred when a karaoke owner named Heo Min-woo, a local gangster, killed the victim, Kim. Heo Min-woo got angry and beat Kim to death with his fist and foot while arguing with Kim in the process of asking for money for the drink. According to a police investigation, Heo Min-woo asked Kim to pay 100,000 won in cash, but Kim paid only 20,000 won to state that the fight broke out. In the end, Heo Min-woo tried to get an additional 80,000 won, but a murder occurred. Kim visited the karaoke room with one of his local juniors at 7:30 p.m. on April 21, the previous day, and paid 300,000 won in advance to Heo Min-woo to play at the karaoke room. The junior left the karaoke room at 10:30 p.m., and Kim was in a situation where he had to pay an additional 100,000 won for drinking after playing alone more. Kim, who was short of cash, called 112 during a fight with Heo Min-woo and talked to the owner for a while after saying, "I

 At dawn on August 30, 2021, two brothers, aged 18 and 16, brutally stabbed their 77-year-old grandmother and attempted to murder their 94-year-old grandfather at a house in Bisan-dong, Seo-gu, Daegu, because they did not want to listen to their parents' nagging. On August 29, 2021, after their grandmother nagged their brother about "playing too many games," "why don't you use your meal card to buy something to eat at a convenience store," and "if you're over 20, go out and live," at around 10:26 p.m., the brother decided to murder her and sent a text to his brother on KakaoTalk saying, "Do you want to kill your grandmother? You'll kill yourself while having fun. "2021 On August 30, 2021, at around 0:10 a.m., the ringleader, the elder brother, stabbed the grandmother 61 times all over her body with a deadly weapon, then casually took a shower and sprayed perfume to remove the smell of blood.After killing the grandmother, the elder