The problem with this quotation is the use of the verb "say" and the displacement of the subject "Amanda Brier."
Explanation:
In formal and academic writing, some verbs like "say" to report indirect speech are not considered correct since they do not fit in the context. A better option can be the use of the verb "state" or "express." Besides, it is better to follow the subject, verb, complement structure. Thus, a better option could be the following one:
Amanda Brier, director of the Commission for Just Punishments, states that "The death penalty is a cruel and unusual form of punishment for crime."
Explanation: Romeo has not yet met Juliet at the Capulet party and he does not know about Juliet at this point in the play. The only woman that he loves is Rosaline but that changes when he sees Juliet.