DETROIT — The attorney for Jennifer Crumbley wants a judge to reconsider her order allowing a jury to see surveillance video that shows her son’s massacre at Oxford High School, claiming it would be “overwhelmingly prejudicial” in the defendant’s upcoming involuntary manslaughter trial. On Monday, Jennifer Crumbley’s attorney Shannon Smith said in a motion that the defense thought the video in question would be of the arrival of Jennifer and James Crumbley at Oxford High School on Nov. 30, 2021, for a meeting with school officials over their son’s conduct. So Smith asked Oakland County Circuit…
