Shi Yuejun was a Chinese mass murderer and spree killer known as the "Jilin butcher", who murdered 12 people and wounded five others in Liuhe County and Tonghua County, Jilin Province between 24 September and 29 September 2006. He was sentenced to death on 25 November the same year and executed about a month later.
A series of uncoordinated mass stabbings, hammer attacks, and cleaver attacks in the People's Republic of China began in March 2010. The spate of attacks left at least 90 dead and some 473 injured. As most cases had no known motive, analysts have blamed mental health problems caused by rapid social change for the rise in these kinds of mass murder and murder-suicide incidents.
Hu Daoping, also known by his alias Wu Jun, was a Chinese criminal and serial killer who killed seven people during robberies between 2003 and 2005 after escaping from prison.
The Commonwealth double murders were the two family-related murders of the convict's mother and grandmother, which occurred on 27 October 2019 in Commonwealth, Singapore. The killer, 22-year-old Gabriel Lien Goh, is alleged to have argued with his mother Lee Soh Mui over unknown issues and stabbed his mother and his grandmother See Keng Keng to death. Goh was charged with the murders of his grandmother and mother and currently, he is detained indefinitely under the President's Pleasure due to him being of drug-induced unsound mind at the time of the offences.
Liu Mingwu, known as The Beggar Killer, was a Chinese beggar and serial killer who, from February 2001 to March 2002, attacked and killed at least 23 people, predominantly other beggars, across various cities in China. After his arrest, he claimed that he had done it out of hatred for the homeless, whom he considered "dirty and smelly". He was later convicted, sentenced to death and subsequently executed later that year.
Qian Yongchang was a Chinese serial killer who killed 15 people from 1959 to 1995 across three provinces, out of a self-professed contempt for how society had treated him. At the time of his arrest, Qian's advanced age led to him being labeled the country's oldest active serial killer, as well as one of the longest active, with his killing spree lasting more than three decades and a half. For his last crimes, he was convicted, sentenced to death and summarily executed.
On 28 January 1989, 26-year-old Lim Lee Tin, a Chinese Singaporean woman who was often dressed like a male, was found murdered at a Chinese cemetery in Choa Chu Kang, Singapore. She was initially mistaken as a man before the autopsy revealed her true gender. The perpetrators of her murder were Lim's gambling partner and married housewife Chin Seow Noi, Chin's brother Chin Yaw Kim and the siblings' friend Ng Kim Heng. The three suspects, who were all Malaysians, were said to have plotted the murder in order to get rid of Lim, who often harassed Chin Seow Noi for money.
On the morning of 25 November 1977, ten-year-old schoolgirl Cheng Geok Ha was last seen playing with her two friends at the carpark below her flat at Chai Chee, Singapore. According to the pair who were last with Cheng, the girl hung out with them at the playground for a while before she left, and she never came back home on that night. The Cheng family reported Cheng missing, and there was a public appeal which seeks information to trace her whereabouts.
On 13 March 1997, at one of the HDB flats in King George's Avenue, Kallang, 53-year-old Sivapackiam Veerappan Rengasamy was discovered dead in her bedroom by her son. Sivapackiam was found to have been stabbed three times in the neck and she died from the wounds. During police investigations, Sivapackiam's tenant Gerardine Andrew, a 36-year-old prostitute, told police that on the day of the murder, she returned to the flat and saw three people attacking her landlady and robbing her, and they threatened her to leave after briefly holding her hostage.
On 26 August 1998, 50-year-old Tan Eng Yan, a fruit stall assistant working at a market in Tampines, was found brutally murdered at the toilet of her Tampines flat. Tan, also known as Lily or Tan Ah Leng, was stabbed and slashed 58 times and four of the knife wounds were fatal. Her money, amounting to over S$2,200 in cash and S$6,000 in coins, were also being stolen from her flat. It took five days before the police arrested a fishmonger named Lau Lee Peng, who was a close friend of Tan, after he confessed during witness questioning that he killed Tan and led the police to where he hid the money.
Yang Shuming was a Chinese serial killer who, between 1992 and 2006, murdered nine women and girls aged 16–42 and injured three other people in Majiaping, Kuangqu, Yangquan, China. His modus operandi typically consisted of stabbing his victims from behind at night, or on rainy and snowy days. Many of his victims wore red clothing while they were assaulted, leading to some media outlets referring to him as The Red-Clothed Killer. He was arrested on 28 April 2006, two months after his final attack, and executed by shooting on 21 November 2006.
On the night of 10 November 1977, Usharani d/o Ganaison, the seven-year-old student of Cairnhill Primary School, went missing after she went out of her flat to buy drinks to celebrate Deepavali with her family. About seven hours after her disappearance, she was found murdered nearby the void deck of her flat, and the medical evidence suggested that she had been molested and strangled.
On 26 February 1993, inside their matrimonial flat at Hougang, Singapore, a married couple were discovered dead by both their son and youngest daughter. The victims of the alleged killings were 53-year-old Lau Gek Leng and 55-year-old Luke Yip Khuan. It was determined that the killings were perpetruated due to a robbery, because the Lau family's television set and VCR were missing from the flat. On the same day, a neighbour of the couple, 38-year-old Jamaludin Ibrahim, was arrested as a suspect due to a spanner belonging to him was found at the crime scene and one of Jamaludin's six daughters having witnessed him stealing the said missing items from the murdered couple's flat.
On 25 July 1980, 16-year-old student Ong Ai Siok, birth name Goh Luan Kheng, who stayed at home to study overnight while her adoptive parents went out for supper, was murdered by her unemployed relative Lau Ah Kiang, who entered her home to commit robbery as a result of his desperation to discharge his debts and settle his unpaid living expenses. Six years after his arrest, Lau, who denied committing the murder despite his confession, was sentenced to death in February 1986 after the trial court found him guilty of murder.
