William (Bill) Weinreb joined the firm as a partner based in the Boston office on Tuesday, May 8. Mr. Weinreb served as U.S. Attorney for the District of Massachusetts and also as First Assistant U.S. Attorney. He is a 20-year veteran of Boston’s U.S. Attorney’s Office. Mr. Weinreb specialized in national security, organized crime and white collar criminal investigations and prosecutions. He has tried dozens of felony jury trials, including the Marathon Bombing case, health care fraud, and off-label marketing cases, and many counterterrorism, violent crime, and narcotics matters.