HOSOYA Kenichi

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Kenichi Hosoya細谷健一
Status
Identification Status	Identified
Criminal Status	Arrested
Personal Information
Gender	Male
Race/Ethnicity	Asian
Parents	Yaeko Hosoya Isamu Hosoya
Spouse	Shiho Hosoya
Child	Miki Hosoya
Criminal Information
AKA	"Antifreeze serial murders" (Japanese:不凍液連続殺人事件) "Poison" (Japanese:ポイズン)
Offender Type	Serial Killer
Motivation Type	Hedonistic
Method of Killing	Poisoning
Weapon	antifreeze
Accomplice	Shiho Hosoya
Victims	3 - 4
Span of crimes	2018 - 2023
Country	Japan
State	Tokyo
Region	Taitō
District	Asakusa

“ It's sweet „

~ What Hosoya said when he was asked about the taste of antifreeze in the detention center

Victims

Confirmed victims

Name	Date of Death	Body Found	Cause of Death
Yaeko Hosoya	January 2018
Minako Hosoya	April 2018		Poisoning
Isamu Hosoya	June 2018		Poisoning

Survivors

Name	Date of Death	Date of Attack	Method of Attack

Suspected victims

Name	Date of Death	Body Found	Cause of Death
Miki Hosoya	March 2023		Poisoning

Related Articles

• Antifreeze serial murders
  • Shiho Hosoya

Links

• Couple accused of killing aunt of fatally poisoned daughter
• Son, His Wife Rearrested for Allegedly Killing Father with Antifreeze Agent; 3rd Arrest of Couple Suspected of Killing Daughter, Aunt
• Chemical Linked to Death of Tokyo’s 4-yr-old Found in Body of Aunt; Father Bought Antifreeze Agent Around the Time of Death
• Accusé d’avoir tué l’une de leurs filles, un couple également soupçonné d’un autre meurtre dans la famille
• Girl, 4, suffered multiple injuries, neglect before poisoning death