The shooting at Marine Corps Base Quantico, where Sgt. Eusebio Lopez, gunned down Lance Cpl. Sara Castromata and Cpl. Jacob Wooley, was a tragedy. But when Lopez’s great-grandfather says: They told us they were investigating more, and they’d let us know. He wasn’t the type to do stuff like that, I roll my eyes. Surely someone in the family knew him better than this. . .