A Project of the University of Michigan Law School and the MDefenders Program

Brief Discussing the Science of Photogrammetry and Why a Police Officer Cannot Opine about a Person’s Height in a Surveillance Video

This brief challenges a police officer’s testimony opining that a shooter pictured in surveillance footage and the defendant were the same height.  The officer based his opinion on his visual observation of surveillance footage and measurements of the height of markings in the store. The Florida appellate court agreed that this was impermissible lay opinion […]

Motion to Exclude Gruesome and Inflammatory Photographs

“When jurors are presented with evidence that is particularly gruesome, they are likely to experience a visceral emotionally charged feeling that leads them to be inappropriately punitive.” Incorporates studies demonstrating that exposure to gruesome evidence decreases the brain’s capacity for logical reasoning.