Baden maintains a private forensic pathology consulting practice. He has been a consulting or lead pathologist and an expert witness on a number of other high-profile cases and investigations. He testified at the trial of O. J. Simpson on behalf of the defendant, at Sergeant Evan Vela's court martial, and on behalf of Phil Spector at the latter's murder trial, while Baden's wife served as Spector's defense attorney. He has been hired to conduct private autopsies in a number of cases, including the shooting of Michael Brown and the deaths of New England Patriots football player Aaron Hernandez, civil rights lawyer and politician Chokwe Lumumba, George Floyd and African-American artist Ellis Ruley.