DUXBURY, MASS. (WHDH) - A 22-year-old man was convicted Thursday on a charge of involuntary manslaughter nearly three years after prosecutors said he killed his<a class="excerpt-read-more" href="https://whdh.com/news/man-convicted-of-drowning-father-in-duxbury-in-attempt-to-baptize-him/">Read More</a>