With time to rewatch what happened in the late stages against the Bengals, and with the chance to put it in the context of his team's second-half struggles in the 13-10 loss to the Cleveland Browns in Week 3 and the 40-40 tie with the Dallas Cowboys in Week 4, LaFleur said he and Hafley continue to study the defense's issues ahead of Sunday's game at the Arizona Cardinals ( 4:25 p.m. ET, Fox).