. >>> also breaking right now at noon, we just learn that david muggar, the man who created the iconic celebration along the he is pla made will retire after the 2016 event. he had been working on the celebration for the last 42 years. he says that this decision personal. at the age of 77, it wars time to pass the baton. wbz has been a proud partner with him and the entire boston pop team for more than a decade. >>> a millford high school student arrested for making threats to the school. an e-mail went out to parents explaining additional police are on hand but classes will continue as usual. principal is off the job. edward rozmiarek has been placed on administrative leave but the school is not giving a reason, only saying that it's was a personnel matter. rozmiarek's beverly home was morning. >>> and the latest on the philip chism trial. >> we watched the video of the murder. i had shows phillip chism walk through danvers high school and he is seen trying to hide his face on security camera. this means that he knew well enough to the to be seen, not to be caught. the entire trial is