 Later however, he fails to take his own advice, as when Neil Perry was mistakenly arrested and Matthews received all the praise, he went so far as to attempt to bury any evidence to the contrary.Seeing the investigation was being jeopardized LaGuerta revealed that several mistakes during the Ice Truck Killer case had been made, landing Matthews into serious possible trouble.Due to the fact that he was friends with both the police commissioner and the review board, Matthews escaped punishment and, having been personally embarrassed and wanting vengeance, Matthews laid all the blame on LaGuerta and as such gained approval to install Esmee Pascal as the new lieutenant to supervise her.