insert_link World US, Michigan mother convicted of manslaughter for school shootings by her son – after buying him a gun and letting him keep it unsecured Jennifer Crumbley enters the Michigan courtroom during her trial on involuntary manslaughter charges on Feb. 5, 2024. Bill Pugliano/Getty Images Thaddeus Hoffmeister, University of Dayton In a decision expected to have far-reaching implications for the criminal responsibility of parents of mass shooters, a Michigan jury on Feb. 6, 2024, convicted Jennifer Crumbley on charges of involuntary manslaughter for her role in her son’s deadly rampage nearly three years ago. Both […] todayFebruary 7, 2024 42