Question: Rowland Barnes was murdered by a man on trial for what crime?

Context paragraphs:
Paramythia executions: The Paramythia executions, also known as the Paramythia massacre (19–29 September 1943) was a combined Nazi and Cham Albanian war crime perpetrated by members of the 1st Mountain Division and the Muslim Cham militia in the town of Paramythia and its surrounding region, during the Axis occupation of Greece.  201 Greek villagers were murdered and 19 municipalities in the region of Paramythia were destroyed.  The years after the war, a series a war crime trials condemned these actions, however not a single defendant was ever arrested and brought to trial.  At the Hostages Trial in Nuremberg (1948) the American judges reached the decision that the executions of Paramythia were "plain murders".

Brian Nichols: Brian Gene Nichols (born December 10, 1971) is known for his escape and killing spree in the Fulton County Courthouse in Atlanta, Georgia, on March 11, 2005.  Nichols was on trial for rape when he escaped from custody and murdered the judge presiding over his trial, a court reporter, a sheriff's deputy and later a federal agent.  Twenty-six hours after a large-scale manhunt was launched in the metropolitan Atlanta area, Nichols was taken into custody.  The prosecution charged him with committing 54 crimes during the escape; and he was found guilty on all counts on November 7, 2008.

Bail: Bail is money or some form of property that is deposited or pledged to a court, in order to secure the release from custody or jail of a suspect who has been arrested, with the understanding that the suspect will return for their trial and required court appearances.  Bail is a mechanism to release suspects from imprisonment pre-trial, while ensuring their return for trial.  If the suspect does not return to court, the bail is forfeited, and the suspect may possibly be brought up on charges of the crime of failure to appear.  If the suspect returns to make all their required appearances, bail is returned after the trial is concluded.  In some cases, bail money may be returned at the end of the trial, if all court appearances are made, regardless of whether the person is found guilty or not guilty of the crime accused.

William J. Sullivan: William J. Sullivan (born March 12, 1939) is a Judge Trial Referee of the Connecticut Superior Court.  He has served as Chief Justice of the Connecticut Supreme Court.  He was appointed to the Connecticut Appellate Court by Gov. John G. Rowland in 1997 and remained there until his elevation to the Connecticut Supreme Court in 1999.  Justice Sullivan was nominated to be Chief Justice by Gov. Rowland in 2000 and was appointed to the Connecticut Supreme Court in 2001.  Justice Sullivan took senior status on April 15, 2006 and continued to serve as a Senior Justice until 2009, when he attained Age 70.

Legal drama: A legal drama or a courtroom drama is a subgenre of drama and crime fiction.  Law enforcement, crime, detective-based mystery solving, lawyer work, civil litigation, etc., are all possible focuses of legal dramas.  Common subgenres of legal dramas include detective dramas, police dramas, courtroom dramas, legal thrillers, etc.  Legal dramas appear in many forms of media, including novels, plays, television shows, and films. Legal drama sometimes overlap with crime drama, most notably in the case of "Law & Order".  Most crime drama focus on crime investigation and does not feature the court room.  An early example of this overlapping form was Erle Stanley Gardner's Perry Mason, in which the eponymous trial lawyer would usually defend his clients from their murder charges by investigating the crime before the trial, and dramatically revealing the actual perpetrator during the closing courtroom scene, by calling some other person to the stand and interrogating him or her into confessing in open court:

Murder of Edna Phillips: Edna Phillips was a 70-year-old woman who was murdered on 16 July 1992 by two teenage girls, one of them her next-door neighbour, at her home on a council estate in Penywaun in South Wales.  The details of the crime were made public soon after the start of the trial of the two boys who murdered two-year-old James Bulger in Merseyside, which contributed to the resulting moral panic in the United Kingdom.

Rowland Barnes: Rowland W. Barnes (April 25, 1940 – March 11, 2005) was a Fulton County, Georgia, United States, Superior Court Judge.  He oversaw the 2003 trial of hockey star Dany Heatley, who was charged with vehicular homicide after the death of teammate Dan Snyder in a car accident.  Judge Barnes was shot to death in his courtroom by Brian Nichols in 2005.

Odell Barnes (criminal): Odell Barnes, Jr. (March 22, 1968 – March 1, 2000) was a Texas man convicted of the 1989 murder of Helen Bass.  During the later stages of Barnes' legal appeals, human rights groups and anti-death penalty advocates raised questions about Barnes' murder conviction, leading to international media attention and diplomatic protests from the government of France.  Barnes was executed on March 1, 2000.

Robin Rowland (author): Robin Rowland, a Canadian author, journalist and photographer, grew up in Kitimat, British Columbia.  His family then moved to Toronto, where he attended York University and later Carleton University.  He began as a reporter for the Sudbury Star and later worked for CBC News.  While living in London he worked for as a Videotex producer before returning to Canada and rejoining CBC New's teletext experiment Project Iris.  He also wrote a number of radio plays for CBC Radio Drama as well as short stories and science fiction.  In the mid-1980s he began collaborating with James Dubro writing about organized crime in Canada.  After six years with CTV News, in 1994, as he returned to CBC News.  Rowland also co-wrote the pioneering manual Researching on the Internet with Dave Kinnaman.  In 1998, he became the producer of online content for .  In 2003, Rowland was named the first photo editor in the history of CBC News.  At the same time he earned a multidisciplinary master's degree from York University and Osgoode Hall Law School specializing in the history of war crimes.  As a result of his research, Rowland wrote A River Kwai Story, The Sonkrai Tribunal, the story of a war crimes trial for guards in one of the most infamous camps on the during the building of the Burma Railway along the on Khwae Noi River

Julian Barnes: Julian Patrick Barnes (born 19 January 1946) is an English writer.  Barnes won the Man Booker Prize for his book "The Sense of an Ending" (2011), and three of his earlier books had been shortlisted for the Booker Prize: "Flaubert's Parrot" (1984), "England, England" (1998), and "Arthur & George" (2005).  He has also written crime fiction under the pseudonym Dan Kavanagh.  In addition to novels, Barnes has published collections of essays and short stories.

Supporting paragraphs: Rowland Barnes Brian Nichols
Answer: rape