The Oakland County Child Killer (OCCK) is an unidentified serial killer responsible for the murders of four or more children, two girls and two boys, in Oakland County, Michigan, United States in 1976 and 1977.
 Several theories and suspects have been named in the case, but despite all these theories, the cases remain unsolved and the killer(s) have never been identified.
Death of a Soldier is a 1986 Australian film based on the life of American serial killer Eddie Leonski.
 The film was shot using locations around Melbourne, Victoria.
Angel Maturino Reséndiz (August 1, 1959June 27, 2006), aka The Railroad Killer/The Railway Killer/The Railcar Killer, was an itinerant Mexican serial killer responsible for as many as 15 murders across the United States and Mexico during the 1990s.
 Some also involved sexual assault.
 He became known as "The Railroad (or Railway) Killer" as most of his crimes were committed near railroads where he had jumped off the trains he was using to travel about the country.
 On June 21, 1999, he briefly became the 457th fugitive listed by the FBI on its Ten Most Wanted Fugitives list before surrendering to the Texas authorities on July 13, when he was 39 years old.
 He was convicted of murder and was executed by lethal injection.
Robert John Maudsley (born June 1953) is a British serial killer responsible for the murders of four people.
 He committed three of these murders in prison after receiving a life sentence for a single murder.
 He was alleged to have eaten part of the brain of one of three men he killed in prison, which earned him the nickname "Hannibal the Cannibal" among the British press; however, the Press Complaints Commission records that national newspapers were subsequently advised that the allegations were untrue, according to the autopsy report.
My Brother the Serial Killer is a 2012 American television documentary about serial killer Glen Rogers, otherwise known as the "Casanova Killer", who was convicted for a series of murders and arsons.
 The documentary was narrated by Rogers' brother Clay Rogers and aired on Investigation Discovery in November 2012.
 "My Brother the Serial Killer" received widespread media attention for Clay's claims that his brother was responsible for the 1994 murders of Nicole Brown Simpson and Ronald Lyle Goldman.
The Claremont serial murders is the name given by the media to a case involving the murder of two young Australian women, aged 23 and 27 and the disappearance of a third, aged 18 in 1996 and 1997 in Claremont, a wealthy western suburb of Perth, Western Australia.
 All three women disappeared in similar circumstances after attending night spots in Claremont, leading police to suspect that an unidentified serial killer was the offender
The Daytona Beach killer is an American serial killer responsible for the murders of four women in the Daytona Beach, Florida area from December 2005 to December 2007.
 The killer has never been apprehended.
 The involvement of a serial killer was feared after the discovery of the first three victims.
The New Bedford Highway Killer is an unidentified serial killer responsible for the deaths of nine women and the disappearances of two additional women in New Bedford, Massachusetts, between July 1988 and June 1989.
 All of the killer's victims were known prostitutes and or substance abusers.
Edward Joseph Leonski (December 12, 1917 – November 9, 1942) was an American soldier and serial killer responsible for the strangling murders of three women in Melbourne, Australia.
 Leonski was known as the "Brownout Strangler", given Melbourne's wartime status of keeping low lighting (not as stringent as a wartime blackout).
 His self-confessed motive for the killings was a twisted fascination with female voices, especially when they were singing, and his claim that he killed the women to "get at their voices."
Gary Leon Ridgway (born February 18, 1949) is an American serial killer known as the Green River Killer.
 He was initially convicted of 48 separate murders and is presumed to be responsible for more than 90.
 As part of his plea bargain, an additional conviction was added, bringing the total number of convictions to 49, making him the most prolific American serial killer in history according to confirmed murders.
 He murdered numerous women and girls in Washington State during the 1980s and 1990s.

Question: Death of a Soldier, released in which year, an Australian film based on the life of Eddie Leonski, an American soldier and serial killer responsible for the strangling murders of three women in Melbourne, Australia?
Answer: 1986