 The captain of a dive boat that caught fire and sank off the California coast in 2019, killing 34 people in one of the state's deadliest maritime disasters, was found guilty on November 6 on a federal charge of Siemens manslaughter at Jerry Boylan, 70, was found guilty by a U.S. district court jury in Los Angeles on a single charged count of misconduct or neglect of a ship officer under a pre-Civil War homicide statute, capping a 10-day jury trial, the conviction carries a maximum penalty of 10. Prison Prison, according to Tom Morozek, a spokesman for the U.S. Attorney's Office in Los Angeles.