Question: "Empty Eyes" is the eighteenth episode of the seventh season of the television series, CSI: Crime Scene Investigation, the crime portrayed in this episode had many similar elements to the murder of eight student nurses from South Chicago Community Hospital in 1966 by Richard Benjamin Speck,was an American mass murderer who systematically tortured, raped, and murdered eight student nurses from South Chicago Community Hospital on which night?

Context paragraphs:
Grave Danger (disambiguation): "Grave Danger" is an episode of the American crime drama CSI: Crime Scene Investigation

Empty Eyes (CSI: Crime Scene Investigation): "Empty Eyes" is the eighteenth episode of the of the television series "".  This episode was unusual for the show as it was aired in the UK with an adult content warning; previously only "Slaves of Las Vegas" had received similar attention from censors.  The crime portrayed in this episode had many similar elements to the murder of eight student nurses from South Chicago Community Hospital in 1966 by Richard Speck.

CSI: Crime Scene Investigation (video game): CSI: Crime Scene Investigation is a video game based on the "" television series.  The game was developed by 369 Interactive, published by Ubisoft, and was released for the PC in 2003.  It was also ported by EPCConnect and published by Aspyr on the Macintosh.

CSI: NY: CSI: NY (Crime Scene Investigation: New York, stylised as CSI: NY/) is an American police procedural television series that ran on CBS from September 22, 2004, to February 22, 2013, for a total of nine seasons and 197 original episodes.  The show follows the investigations of a team of NYPD forensic scientists and police officers identified as "Crime Scene Investigators" (instead of the actual title of "Crime Scene Unit Forensic Technicians" (CSU)) as they unveil the circumstances behind mysterious and unusual deaths, as well as other crimes.  The series is an indirect spin-off from the veteran series "" and a direct spin-off from "", during an episode in which several of the "CSI: NY" characters made their first appearances.  It is the third series in the "CSI" franchise.

CSI: Miami: CSI: Miami (Crime Scene Investigation: Miami) is an American police procedural drama television series that premiered on September 23, 2002, on CBS.  Starring David Caruso as Lieutenant Horatio Caine, Emily Procter as Detective Calleigh Duquesne, and Kim Delaney as Lieutenant Megan Donner, the series is the first direct spin-off of "", "transplanting the same template and trickery — gory crimes, procedural plot and dazzling graphics — into [a new city] while retaining the essence of the original idea".

CSI: Crime Scene Investigation (pinball): CSI: Crime Scene Investigation is a Stern pinball game machine designed by Pat Lawlor and released in November 2008.  It is based on the "" television series.

CSI: Crime Scene Investigation: CSI: Crime Scene Investigation, also referred to as CSI and CSI: Las Vegas, is an American procedural forensics crime drama television series.  It originally ran on CBS from 2000 to 2015, spanning fifteen seasons.  The series, starring William Petersen, Marg Helgenberger, Laurence Fishburne, Ted Danson, Elisabeth Shue, and Jorja Fox is the first in the "CSI" franchise.  The series concluded with a feature-length finale titled "".

Richard Speck: Richard Benjamin Speck (December 6, 1941 – December 5, 1991) was an American mass murderer who systematically tortured, raped, and murdered eight student nurses from South Chicago Community Hospital on the night of July 13-14, 1966.

CSI: Cyber: CSI: Cyber (Crime Scene Investigation: Cyber) is an American police procedural television drama series that premiered on March 4, 2015, on CBS.  The series, starring Patricia Arquette and Ted Danson, is the second spin-off of "" and the fourth series in the "CSI" franchise.

Sara Sidle: Sara Sidle is a fictional character on the CBS crime drama "", portrayed by actress Jorja Fox.  Sidle is a forensic scientist and one of the core characters of the show, which revolves around a Crime Scene Investigation team in Clark County, Nevada, that investigates cases in and around Las Vegas.  Fox appeared in both the first eight seasons and the final five seasons of the show as a series regular.  She also recurred throughout the ninth and tenth seasons of the series and headlined "Immortality" alongside Ted Danson.

Supporting paragraphs: Empty Eyes (CSI: Crime Scene Investigation) Richard Speck
Answer: July 13-14, 1966