Question: What was the nickname of the 1990 serial killer Keith Hunter Jesperson, subject of a TV movie with David Arquette?

Context paragraphs:
Happy Face Killer (film): Happy Face Killer is a 2014 Canadian-American television film inspired by real-life events of the hunt and capture of serial killer Keith Hunter Jesperson.  The film premiered on March 1, 2014, on the Lifetime network and starred David Arquette as Jesperson.  Gloria Reuben played Melinda Gand, the lead FBI case investigator.

Sun Hill Serial Killer: The Sun Hill Serial Killer was a major storyline from ITV's cop show "The Bill".  Known originally as the "River Murders", the storyline spanned several months in 2002 and served as the exit for popular cast regular Cass Rickman (played by Suzanne Maddock).  It was the first of several serial killer storylines from the show.  Events came to a head in the New Year of 2003, when Acting DI Samantha Nixon discovers the truth and is taken hostage by the serial killer, before a final confrontation in which she is overpowered by DC Duncan Lennox, charged and thrown into the cells at Sun Hill Station.

My Brother the Serial Killer: 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.

Randall Woodfield: Randall Brent "Randy" Woodfield (born December 26, 1950) is an American serial killer who was dubbed The I-5 Killer or The I-5 Bandit by the media due to the crimes he committed along the Interstate 5 corridor running through Washington, Oregon, and California.  Before his capture, the I-5 Killer was suspected of multiple sexual assaults and murders.  A native of Oregon, Woodfield was convicted of three murders and is suspected of killing up to 44 people.  He is currently incarcerated at the Oregon State Penitentiary.  In 2011, Woodfield was the subject of a Lifetime television movie "Hunt for the I-5 Killer".  The movie was based on the book "The I-5 Killer" by crime author Ann Rule.

David Hillenbrand: David Hillenbrand is an American writer, director, and composer.  He often collaborates with his brother Scott Hillenbrand on projects.  He is a member of the Directors Guild of America.  He is a director whose films include "Hostile Takeover" (1997), "King Cobra" (1999), "Demon Island" (2002), "National Lampoon Presents Dorm Daze" (2003), "Gamebox 1.0" (2004), "Dorm Daze 2" (2006), and "Transylmania" (2009).  The Hillenbrands also produced the theatrical stage show “Adrift” in Los Angeles in 1991 which was based on the best-selling novel of the same name.  In addition to his active career as a film director and producer, David Hillenbrand has had an active music career in film and television.  He served as the music coordinator, either for multiple television episodes or the entire television series, for "Mighty Morphin’ Power Rangers" (1995), "X-Men" (1992-1995), "Attack of the Killer Tomatoes" (1991), "Spacecats" (1991), "Blindfold: Acts of Obsession" (1994-TV Movie), "Sweet Valley High" (1994-1995), "Video Power" (1991) and "Tracks of a Killer" (1996 – TV movie).

Keith Hunter Jesperson: Keith Hunter Jesperson (born 6 April 1955) is a Canadian-American serial killer who murdered at least eight women in the United States during the early 1990s.  He was known as the "Happy Face Killer" because he drew smiley faces on his many letters to the media and prosecutors.  Many of his victims were sex workers and transients who had no connection to him.

Luis Garavito: Luis Alfredo Garavito Cubillos, also known as "La Bestia" ("The Beast") or "Tribilín" (named after Disney character "Goofy"'s Latin American Spanish name) is a Colombian rapist and serial killer.  In 1999, he admitted to the rape, torture and murder of 147 young boys.  His victims, based on the locations of skeletons listed on maps that Garavito drew in prison, could eventually exceed 300; Garavito continues to confess to more murders.  He has been described by local media as "the world's worst serial killer".  According to the Attorney General's Office and various judicial bodies, Luis Alfredo Garavito is the "second serial killer of the world."  Likewise, the judicial body ruled that all Garavito's sentences total 1853 years and nine days in jail.

Eight Legged Freaks: Eight Legged Freaks is a 2002 horror comedy film directed by Ellory Elkayem and starring David Arquette, Kari Wuhrer, Scott Terra and Scarlett Johansson.  An international co-production between Germany, the United States, and Australia, the plot concerns a collection of spiders that are exposed to toxic waste, causing them to grow to gigantic proportions and begin killing and harvesting.  The film was dedicated to the memory of several people: One was Lewis Arquette, father of the star of the film David Arquette, who had died in 2001 from heart failure, and the other two were Don Devlin and Pilar Seurat, the parents of producer Dean Devlin, who both died of lung cancer in 2000 and 2001, respectively.

Cold North Killers: Canadian Serial Murder: Cold North Killers: Canadian Serial Murder is a 2012 Canadian non-fiction book written by Lee Mellor and published by Dundurn Press.  It documents the lives of sixty Canadian serial killers, with the earliest being Edward H. Rulloff and the most recent being Russell Williams.  The book uses Katherine Ramsland's interpretation of what constitutes a serial killer—someone who has killed at least two people on two separate occasions, and who attempted to or likely would have killed again—as outlined in her 2007 book "The Human Predator".  "Cold North Killer's" own definition of what constitutes a Canadian serial killer includes both Canadians who committed murder abroad (such as Keith Hunter Jesperson and Gordon Stewart Northcott) and non-Canadians who committed murder in Canada (like William Dean Christenson and Earle Nelson).

Bible John: Bible John is the nickname of a serial killer who is believed to have murdered three young women after meeting them at the Barrowland Ballroom in Glasgow, Scotland, between 1968 and 1969.  The killer has never been identified although the known movements and modus operandi of convicted Glaswegian serial killer Peter Tobin suggests that he may have been behind the killings.  However, this has never been proven and the case remains unsolved.

Supporting paragraphs: Happy Face Killer (film) Keith Hunter Jesperson
Answer: Happy Face Killer