Matthew works as a paralegal for the prosecutor's office. While organizing a file in preparation for trial he comes across the name and telephone number of a witness who identified the perpetrator of the crime as someone other than the defendant named in the case. It does not appear from the file that the defense attorney was advised of this fact. Matthew brings this to the attention of the attorney handling the case, who tells him to forget about it. After all, it is not the prosecutor's job to defend anyone accused of a crime. What should Matthew do?