Commonwealth v. Ridlon

After a jury-waived trial in the District Court, the defendant was convicted of negligent operation of a motor vehicle so as to endanger (count one), G. L. c. 90, § 24(2)(a), and operating a motor vehicle while under the influence of a drug (count two). In its brief, the Commonwealth concedes that the latter conviction must be reversed because the evidence about the particular drug(s) involved was insufficient. As to the conviction of driving to endanger, the defendant claims that his jury waiver colloquy was so “pervaded by an aura of bumble,” *147Commonwealth v. Mosby, 11 Mass. App. Ct. 1, 17…