CNN: Michigan shooting suspect's parents willfully disregarded signs that their son was a threat, prosecutors say. >"Prosecutors in a filing say the parents of alleged Oxford High School shooter Ethan Crumbley are at a "greater risk of flight" now than when they were arraigned on involuntary manslaughter charges earlier this month and allege the couple "willfully ignored the needs and well-being of their son and the threat he posed to others.""