Found the following hamletworks.org entries referring to line 3269-70

View Commentary Note for 3268-69
3268 -9 knaue iowles it to the ground, as if {twere} <it | were> Caines iawbone, that did the5.1.77

View Material Textual Note for 3268-69
3268-9 knaue iowles it to the ground, as if {twere} <it | were> Caines iawbone, that did the 

View Commentary Note for 3269-70
3269-70 first {murder, this} <murther: It> | might be the pate of a pollitician, which this asse {now} 

View Material Textual Note for 3269-70
3269-70 first {murder, this} <murther: It> | might be the pate of a pollitician, which this asse {now}