Nichols was found guilty May 26 of 161 counts of first-degree murder for 160 victims and an unborn child in a state trial.
Nichols poisoned people in a convention event
( z1 poison :ARG0 ( z2 person :name ( z3 name :op "Nichols" ) ) :ARG1 ( z4 person ) :location ( z5 event :mod ( z6 convention ) ) )