WALTHAM, MASS. (WHDH) - Police in Waltham asked for the public’s help Wednesday as their investigation into the crash that killed a police officer and<a class="excerpt-read-more" href="https://whdh.com/news/waltham-police-ask-for-publics-help-as-investigation-into-crash-that-killed-officer-utility-worker-continues/">Read More</a>