Original sentence: Allen's fingerprints didn't match those found at the Paul Stine murder scene nor was his handwriting the same as Zodiac's correspondence.However, Graysmith argues that Allen, trained in chemistry, would not have licked his own stamps were he the Zodiac, as it was known as early as 1969 that forensic specialists could sometimes determine a suspect's blood group just from his saliva.The author also claims that Allen had discussions with Cheney about how handwriting could be disguised
Edited sentence: Allen's fingerprints did not match those found at the Paul Stine murder scene, which some believe were the Zodiac's prints, nor was his handwriting ever matched to any of Zodiac's correspondence.He likewise argues that Allen had allegedly had discussions with Cheney about how handwriting could be disguised.However, Graysmith argues that Allen, trained in biology and chemistry, would not have licked his own stamps were he the Zodiac, as it was known as early as 1969 that forensic specialists could determine a suspect's blood group from saliva