Brothers Ben and Max Morrissey were killed over a year ago by an explosion at their workplace, an oil refinery co-owned and operated by the oil giant BP in Ohio. WSJ's Jenny Strasburg talks to family members the brothers left behind and investigates what went wrong at the refinery. Further Reading: -He Feared His Refinery Job. His Brother Stayed to Help. The Explosion Hit at 6:46 P.M.  Learn more about your ad choices. Visit megaphone.fm/adchoices