6
94 Mass. App. Ct. 718, 721 (2019), quoting Commonwealth v.
Purdy, 459 Mass. 442, 447 (2011). Here, the investigator's
testimony established that his testimony was what the
Commonwealth claimed it to be, the department's database's
report of the defendant's tax filings.
The defendant's actual challenge on appeal appears to be
not authentication, but reliability. It is true, as the
defendant states in his brief, that the investigator "did not
explain how the database worked, did not know how the paper
returns were processed, and never testified about how online tax
return filings were processed or uploaded into the Department's
system." Such concerns about the reliability of the computer
database, however, "w[ere] relevant to the weight, not the
admissibility" of the testimony. Purdy, 459 Mass. at 451.
Accord Commonwealth v. Meola, 95 Mass. App. Ct. 303, 313 (2019),
quoting United States v. Vayner, 769 F.3d 125, 131 (2d Cir.
2014) ("Thus, after the proponent of the evidence has adduced
sufficient evidence to support a finding that the proffered
evidence is what it is claimed to be, the opposing party remains
free to challenge the reliability of the evidence, to minimize
its importance, or to argue alternative interpretations of its
meaning, but these and similar other challenges go to the weight
of the evidence -- not to its admissibility"). Indeed, the
defendant proceeded to argue to the jury with vigor (and no