A list of events in 2012 related to serial killers.
January[]
- 15 — Denis Gorin is apprehended.
- 16 — Loren Herzog died.
- 27 — Mohammed Sarwar died.
- ? — Alexander Bychkov is apprehended.
- ? — Michal Semanský is apprehended.
February[]
- 1 — Samantha Koenig (victim) disappeared.
- 2 — Samantha Koenig is murdered by Israel Keyes.
- 10 — Su Hong died.
- 15 — Mujianto is apprehended.
- 15 — Smail Tulja died.
- 18 — Stephen Farrow is apprehended.
- 21 — Colin Ireland died.
- 22 — Georgy Martirosyan is apprehended.
March[]
- 5 — William Heirens died.
- 13 — Israel Keyes is apprehended.
- 16 — Yoni Palmier is apprehended.
- 17 — Jean-Marc Petroff died.
- ? — Silvia Meraz is apprehended.
- ? — Donna Perry is apprehended.
April[]
- 2 — Israel Keyes's victim, Samantha Koenig, is found.
- 3 — Hao Yunhua is murdered by Zhang Yongming.
- 9 — the "Garanhuns cannibals" are apprehended.
- 12 — David Alan Gore died.
- 19 — Christine Whitis is murdered by Clyde Gibson.
- 19 — Clyde Gibson is apprehended.
- 25 — Han Yao is murdered by Zhang Yongming.
May[]
- 3 — Joseph Kondro died.
- 9 — Zhang Yongming is apprehended.
- ? — Polatbay Berdaliyev is apprehended.
- ? — Abduseit Ormanov is apprehended.
June[]
- 7 — Michael Mullins is apprehended.
- 23 — Mikhail Popkov is apprehended.
July[]
- ? — Nathaniel Burkett is apprehended.
August[]
- 15 — John William Kelley is apprehended.
September[]
- 5 — Samuel Little is apprehended.
- 12 — Robert Wayne Harris died.
- 15 — Paul Bateson probably died.
- 18 — Dale Cregan is apprehended.
- 25 — Trevor Hardy died.
- 26 — Florisvaldo de Oliveira died.
- 27 — Sachiko Eto died.
- ? — Michael Monert is apprehended.
October[]
- 24 — Adrian Grigoraş died.
November[]
- 14 — Ramon Hernandez died.
- 14 — Rabidin Satir is apprehended.
- 20 — Salvatore Perrone is apprehended.
December[]
- 2 — Israel Keyes died.
- 4 — Lucius Crawford is apprehended.
- 4 — Bradley Steckman died.
- 11 — Manuel Pardo died.
- 26 — John Dwight Canaday died.
- 28 — Karl Myers died.
Unknown[]
- ? — Carlos Brito Rodriguez is apprehended.
- ? — Esneda Ruiz Cataño is apprehended.
- ? — Robert Foust is apprehended.
- ? — Jorge Fuentealba Plaza is apprehended.
- ? — Victor Jane is apprehended.
- ? — Luis Gregorio Ramírez Maestre is apprehended.
- ? — Basilio Mamani Clares is apprehended.
- ? — Ian McLoughlin is apprehended.
- ? — Joaquin Rams is apprehended.
- ? — Leonid Rubanjak is apprehended.
- ? — Nicolae Vlad is apprehended.
- ? — Nikita Zavyazkin is apprehended.