Question: The Case of: JonBenét Ramsey was a series about the beauty queen who was killed in 1996 at what age?

Context articles: Robert Amparan
My Sister, My Love (novel)
John Bennett Ramsey
Casting JonBenet
Death of JonBenét Ramsey
Dean Tong
The Case of: JonBenét Ramsey
Lou Smit
Patsy Ramsey
Werner Spitz

Robert Marlowe Amparán is an American criminal defense attorney currently based in San Francisco, California.
 He became notable for successfully defending former JonBenét Ramsey murder suspect John Mark Karr, along with attorneys Gayle Gutekunst and Ben Prince, in his legal battle with the state of California on child pornography charges.
 After a series of defense motions, the case was eventually dismissed.
My Sister, My Love is a 2008 novel by Joyce Carol Oates, her 37th published novel.
 It reimagines the JonBenét Ramsey murder, with the ice-skating champion Bliss Rampike standing in for JonBenét, and is narrated by her surviving older brother, Skyler Rampike.
John Bennett Ramsey (born December 7, 1943) is an American businessman, author, and father of homicide victim JonBenét Ramsey, who was murdered in her Boulder, Colorado home on December 25, 1996.
 He discovered 6-year-old JonBenét's body in the cellar of the home just hours after her murder.
Casting JonBenet is a 2017 documentary film about the death of JonBenét Ramsey and the large impact it left behind.
 The film was directed by Kitty Green.
JonBenét Patricia Ramsey ( ; August 6, 1990 – December 25 or 26, 1996) was an American child beauty pageant queen who was killed in her family's home in Boulder, Colorado, on the night of December 25–26, 1996, at the age of six.
 A lengthy ransom note was found in the house, and her father, John Ramsey, found JonBenét's body in the basement of their house about eight hours after she was reported missing.
 She sustained a broken skull from a blow to the head and had been strangled; a garrote was found tied around her neck.
 The autopsy report stated that the official cause of death was "asphyxia by strangulation associated with craniocerebral trauma".
 Her death was classified as a homicide.
 The case generated nationwide public and media interest, in part because her mother Patsy Ramsey (herself a former beauty queen) had entered JonBenét in a series of child beauty pageants.
 The case still remains an open investigation with the Boulder Police Department.
Dean Tong is an American author, public speaker, consultant, and trial expert in the field of false child abuse allegations.
 He has consulted for the media on high-profile cases such as that of Elian Gonzalez, JonBenét Ramsey, and .
 He is the author of three books inspired by his personal experience with being falsely accused of child abuse in 1985.
 In addition to testifying as an expert witness, he has appeared on numerous radio talk shows and television speaking on the topic of false abuse accusations.
 He has also been quoted by numerous publications on the topic including by the Chicago Defender, The Virginian-Pilot, The Boston Globe, and The Denver Post.
The Case of: JonBenét Ramsey is a 2016 documentary miniseries about the murder of JonBenét Ramsey in Boulder, Colorado on December 25, 1996.
 The miniseries aired on CBS on September 18, and 19, 2016.
Andrew Louis "Lou" Smit (April 14, 1935 – August 11, 2010) was an American police detective in Colorado Springs, Colorado who worked on a number of notable cases before his retirement in 1996, and then was recalled to work on the murder of JonBenét Ramsey.
Patricia Ann "Patsy" Ramsey (née Paugh; December 29, 1956 – June 24, 2006) was an American beauty pageant winner, who, at the age of 20 in 1977, was selected as Miss West Virginia.
 She was best known as the mother of JonBenét Ramsey, a 6-year-old child beauty pageant queen who was murdered on December 25/26, 1996.
Werner Uri Spitz (born August 22, 1926) is a German-American forensic pathologist who has worked on a number of high-profile cases, including the investigations of the assassinations of president John F. Kennedy and Martin Luther King, Jr.
 He also testified at the trials of Casey Anthony and Phil Spector, the civil trial against O.J. Simpson, and consulted on the investigation of JonBenét Ramsey's death.