Portrait of a Killer: Jack the Ripper—Case Closed that a paper manufacture expert she hired asserts that reams of paper supposedly used by Jack the Ripper to write several letters to Scotland Yard and paper purchased by Sickert's mother bear the same small-press watermark. She also claims that there are matches in the cutter's marks, which are a result of the rough cutting of each quire (or small package) for packaging. A "quire" was usually of 24 sheets. Though Cornwell's book sold many copies, many Ripperologists and other critics argued that Cornwell's theory was far from persuasive. Critics also note that Cornwell has said that she did not
Quentin Quire go to a mutant tattooist and have their arms marked with an Omega symbol over an X, then attack U-Men Central. Returning to school, the "Omega Gang" ambushes Professor X with a baseball bat and clamps his head in a thought-proof helmet. The next day, at the school's "Open Day" to parents and the media, Quire publicly proclaims it is "open season on humans" and starts a riot. Some of the students join Quire in protesting Xaviers' policies, but most of the damage is done by the Omegas themselves. They are finally subdued by Beast, Cyclops, Emma Frost and Xorn.