Jennifer Crumbley convicted on four counts of involuntary manslaughter in Michigan
                                
                                
                                    (Newser) -
                                    In a closely watched case, the mother of a school shooter in Michigan has been found guilty of four counts of involuntary manslaughter. Jurors delivered the verdict Tuesday after 11 hours of deliberation in the case of  Jennifer Crumbley , 45, reports the  Detroit News . Prosecutors say Crumbley and her husband,...