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122 N.E.3d 520
Mass.
2019
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Background

  • On July 11, 2012 Andrew Stanley was found shot dead in his Hyannis home; his hands and feet were bound. Four coventurers (including Eddie Mack) were implicated; three were apprehended near the scene.
  • Physical evidence: a backpack nearby contained two firearms (a loaded .45 Colt matched to a spent casing), duct tape, zip ties, a stun gun, gloves, and a mask with Webster's DNA; duct tape at the scene bore a fingerprint later attributed to Mack.
  • Mack was identified fleeing the scene; his cell phones and large amounts of cash and marijuana were recovered at a nearby location where he hid. Cell‑site and call/text records placed several coventurers in the area and in frequent contact before and on the day of the killing.
  • A jury convicted Mack of first‑degree murder (felony‑murder and extreme atrocity/cruelty theories) and related counts; he was sentenced to life without parole. He appealed raising multiple claims including juror bias from publicity, evidentiary authentication, warrant legality and ineffective assistance, and prosecutorial remarks.
  • The Appeals Court affirmed, rejecting claims of actual juror prejudice, improper authentication of the duct tape/fingerprint, unlawful cell‑phone searches, ineffective assistance, and that prosecutorial remarks created a miscarriage of justice. The court declined extraordinary relief under G. L. c. 278, § 33E.

Issues

Issue Commonwealth's Argument Mack's Argument Held
Pretrial publicity / juror impartiality No presumptive prejudice; judge took steps (instructions, voir dire for remaining jurors) so no actual prejudice shown Seven jurors were seated without individual media‑exposure voir dire causing actual bias No actual prejudice; record lacked evidence those jurors had prior exposure and safeguards were adequate; claim fails
Authentication of duct tape / fingerprint Testimony tied the photographed duct tape (placard 15) to the item collected; chain of custody and authentication sufficient Duct tape should have been authenticated only via the officer who initially found/stepped on it (Mellyn) Admitted properly: testimony linking photograph, placard and collected item sufficed to authenticate; challenges went to weight, not admissibility
Admission of coventurer's cell‑phone records / phone‑number ownership Prior decision in Webster established sufficient authentication; records admissible Phone number not properly authenticated as Evans's Declined to revisit Webster; records properly admitted
Search warrants for Mack’s and Evans’s cell phones / ineffective assistance Affidavits established probable cause for Mack's phone; Evans's phone search lawful because not fruit of illegal search Trial counsel ineffective for failing to move to suppress warrants lacking probable cause; Evans's phone evidence tainted by Mack phone search No ineffective assistance: Mack's phone search was supported by probable cause; Evans's phone not tainted because Mack search lawful
Prosecutor's closing remarks (linking "TR" to "Trigger" and interpreting "W.g.") Arguments were permissible inferences from evidence; only "W.g." was speculative but harmless given overwhelming evidence of joint venture Statements misstated/guaranteed facts not in evidence and improperly translated texts to prove joint venture "TR"→"Trigger" inference allowed; stating "W.g." meant "We good" was error but harmless given overwhelming independent evidence

Key Cases Cited

  • Commonwealth v. Webster, 480 Mass. 161 (affirming related convictions; authentication and phone‑record rulings)
  • Commonwealth v. Toolan, 460 Mass. 452 (Sixth Amendment/voir dire and pretrial publicity framework)
  • Skilling v. United States, 561 U.S. 358 (federal standard on pretrial publicity and voir dire)
  • Commonwealth v. Hoose, 467 Mass. 395 (importance of voir dire and trial judge safeguards for publicity)
  • Commonwealth v. Woollam, 478 Mass. 493 (authentication standard for physical evidence)
  • Commonwealth v. Fulgiam, 477 Mass. 20 (probable cause standard for cell‑phone content searches)
  • Commonwealth v. Dorelas, 473 Mass. 496 (four‑corners review of affidavit for probable cause)
  • Commonwealth v. Holley, 478 Mass. 508 (inferences supporting cell‑phone searches)
  • Commonwealth v. Morin, 478 Mass. 415 (fact‑intensive analysis for phone evidence probable cause)
  • Commonwealth v. Cruzado, 480 Mass. 275 (ineffective assistance standard re: suppression motions)
  • Commonwealth v. Parker, 481 Mass. 69 (standard for reviewing unpreserved prosecutorial argument claims)
  • Commonwealth v. Roy, 464 Mass. 818 (prosecutor may suggest reasonable inferences)
  • Commonwealth v. Martinez, 476 Mass. 186 (contextual review of closing)
  • Commonwealth v. Copeland, 481 Mass. 255 (harmless‑error standard for prosecutorial misconduct)
  • Commonwealth v. Moffett, 383 Mass. 201 (procedure for raising multiple trial errors on appeal)
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Case Details

Case Name: Commonwealth v. Mack
Court Name: Massachusetts Supreme Judicial Court
Date Published: May 16, 2019
Citations: 122 N.E.3d 520; 482 Mass. 311; SJC-12319
Docket Number: SJC-12319
Court Abbreviation: Mass.
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    Commonwealth v. Mack, 122 N.E.3d 520