Suffolk sheriff calls for BPD commissioner Dennis White to be reinstated should probe drag on By Danny McDonald and Andrew Ryan Globe Staff,Updated February 24, 2021, 9:30 a.m. Email to a Friend Boston Police Commissioner Dennis White.Jim Davis/Globe Staff Suffolk Countyâs sheriff, who is the head of a local Black law enforcement organization, is calling for Boston Police Commissioner Dennis White to be reinstated if the probe into a 1999 domestic abuse allegation against the cityâs top cop drags on. âWe believe that Dennis White would be a good leader for the Boston Police Department,â Steven W. Tompkins, Suffolk sheriff and president of the National Organization of Black Law Enforcement Executives of Massachusetts, told the Globe Tuesday in a phone interview.