After a jury trial, the defendant was convicted of larceny over $250 in violation of G. L. c. 266, § 30; assault by means of a dangerous weapon in violation of G. L. c. 265, § 15B(6); reckless operation of a motor vehicle in violation of G. L. c. 90, § 24(2)(o); and failure to stop for a police officer in violation of G. L. c. 90, § 25. On appeal, the defendant claims that the absence of a special verdict slip for the charge of assault *430 by means of a dangerous weapon created a substantial risk of a miscarriage of justice; that there was insufficient evidence to support his conviction of assault by means of a dangerous weapon; and that the judge abused his discretion by denying the request for a “non-suggestive in-court identification procedure.” We affirm.
1. Background. On February 17, 2007, Everett police Officer Jason Leonard was working a paid detail at a Home Depot store. Shortly before 8:00 p.m., Leonard saw the defendant throw several boxes over a chain link fence in the garden section of the store, and then walk back inside the store. 1 Leonard, who was in uniform, walked outside to his personal truck and drove it to the area where the boxes had been thrown. There, Leonard saw a dark pickup truck with its headlights off pull up to where the boxes had been thrown. The defendant got out of the truck and was reaching for one of the boxes when Leonard drove up and parked his truck so that the two trucks were facing one another. The defendant dropped the box, ran back to the truck, got into the front seat, and “threw” the truck into drive. The truck “lurched forward” towards Leonard. Leonard, fearing for his life, pulled out his service weapon, pointed it at the defendant, and demanded that he stop. The defendant yelled, “I didn’t do anything,” put his truck in reverse, and drove off, spinning his tires.
Leonard saw the defendant’s face “clearly” during the incident because he had his truck’s headlights on whereas the defendant’s truck’s headlights were turned off. In the garden section of the store, Leonard had watched the defendant for approximately five minutes and their face-to-face confrontation outside the store lasted for fifteen seconds. He testified that he would “never forget [the defendant’s] face”; he had “an imprint of [the defendant’s] face burned in [his] memory” given that he had had to draw his weapon on him. Leonard had “no doubt” about his identification of the defendant.
After the defendant drove off, Leonard broadcast a physical description of the defendant and the truck. Leonard blocked one of the exits in the parking lot, and several police cruisers pursued *431 the defendant around the parking lot. The defendant did not stop. After a few minutes, the defendant was able to escape from the parking lot and led the police on a high speed chase. When the pursuit reached the Tobin Bridge in Boston, it was called off because it was too dangerous. Minutes later, Boston police stopped the defendant in the East Boston section of Boston. Leonard identified the defendant at the scene, and Everett police Officer Christopher Hannon, who had taken part in the chase, identified the truck.
In his defense, the defendant called his brother-in-law, Jose Palacio, who testified to ownership of the truck at issue, and that the defendant borrowed it on February 17, 2007. According to Palacio, the truck was incapable of driving more than forty miles per hour, and the defendant arrived home that night at 8:30 p.m., only moments before the police arrived. In addition, the defendant testified that he was working or driving directly home from work during the time of the larceny and the police chase. He also testified that no property of Home Depot was recovered from the truck he drove and that he never used the Tobin Bridge.
2.
Discussion,
a.
Special verdict slip.
The defendant claims that because the judge instructed the jury on both theories of assault as part of his instruction on assault by means of a dangerous weapon, but there was not sufficient evidence to support both “theories,” the jury should have been provided a special verdict slip to indicate on which theory their verdict relied. Because the defendant did not raise this claim at trial, we review it on appeal only to determine if the lack of a special verdict slip created a substantial risk of a miscarriage of justice. See
Commonwealth
v. Freeman,
The judge instructed the jury that an assault could be committed as either an attempted battery or an immediately threatened battery. This was a correct statement of our common law. See
Commonwealth
v.
Gorassi,
The starting point for our analysis is that a jury verdict in a criminal case “must be unanimous.”
Commonwealth
v.
Berry,
The defendant claims that because the alternate forms of *433 assault contain different “theories,” i.e., attempted battery or immediately threatened battery, an assault may be committed in two separate, distinct, and unrelated ways. But that claim “erroneously elevates the related and overlapping subcategories of a single element into separate ‘theories.’ ” Commonwealth v. Santos, supra at 286. The rule laid down in Berry, and developed in Accetta, does not automatically apply to every alternate method by which a single element may be proved; rather, it is restricted to cases where the alternative “theories” presented are “substantively distinct or dissimilar.” Commonwealth v. Santos, supra at 289.
In the circumstances of an assault, the methods of committing an assault — attempted battery force or the threat of battery — are closely related and may work in combination. See
ibid.
See also
Commonwealth
v.
Porro,
b.
Sufficiency of the evidence.
The defendant claims that there was insufficient evidence to support his conviction of assault by means of a dangerous weapon. When analyzing whether the record evidence is sufficient to support a conviction, an appellate court is not required to “ask itself whether
it
believes that the evidence at the trial established guilt beyond a reasonable doubt” (emphasis in original).
Commonwealth
v.
Velasquez,
When evaluating sufficiency, the evidence must be reviewed with specific reference to the substantive elements of the offense. See
Commonwealth
v.
Latimore, supra
at 677-678. Under common law, “an assault is defined as either an attempt to use physical force on another, or as a threat of use of physical force.”
Commonwealth
v.
Gorassi,
The Commonwealth may properly use the same conduct to prove an assault under both forms.
Commonwealth
v.
Lednum,
Finally, the defendant claims that there was no evidence that he acted intentionally because the evidence showed that he was merely trying to escape, and that he may have accidentally shifted the truck into drive instead of reverse. However, to indulge this argument, we would have to view the evidence in the light
least
favorable to the Commonwealth, which, of course, we cannot do. See
Commonwealth
v.
James,
c.
Nonsuggestive in-court identification.
The defendant claims that the denial of his pretrial request for a nonsuggestive in-court identification procedure was an error. We disagree. Whether “the extraordinary measure of an in-court identification procedure was called for” is a matter that rests within the sound discretion of the judge.
Commonwealth
v.
Dahl,
Here, where there was no pretrial motion to suppress Leonard’s identification, no request for a voir dire on the subject, and no objection to Leonard’s identification at trial, we are simply unable to conclude that the judge abused his discretion. See
Commonwealth
v.
Pearsall,
A review of the record we do have does not even hint at error, let alone a substantial risk of a miscarriage of justice. Leonard, an experienced police officer, identified the defendant at the scene of his arrest within five to ten minutes after the defendant left the Home Depot. “[Sjhowups of suspects to eyewitnesses of crimes have been regularly held permissible when conducted by the police promptly after the criminal event.”
Commonwealth
v.
Bowden,
Finally, Leonard had more than a sufficient opportunity to observe the defendant stealing the merchandise from the Home Depot. Leonard watched the defendant in the well-lit garden section of the store for a period of almost five minutes, and later saw him face-to-face, illuminated by the “very bright” headlights of Leonard’s truck, for a period of fifteen seconds. Leonard testified that he would “never forget” the defendant’s face because he had to draw his service weapon on the defendant at such a close range. Leonard had “an imprint of the [the defendant’s] face burned in [his] memory.” Leonard had “no doubt” about his identification of the defendant. Also, Officer Hannon identified the truck the defendant had been driving as the one in the high *437 speed chase. There was no abuse of discretion in the denial of the request for an in-court identification. 7
Judgments affirmed.
Notes
The total value of the merchandise inside the boxes was $816.
The defendant does not make the companion claim that the judge should have instructed the jury that they had to be unanimous as to the theory of the assault. See Commonwealth v. Berry, supra at 112. In any event, our analysis would be the same if he had raised such a claim.
The notes to the model jury instruction on assault erroneously claim support in Commonwealth v. Accetta, supra at 646, for the instruction’s stated requirement of a special verdict slip. See Criminal Model Jury Instructions for Use in the District Court, Instruction 6.120, supra. However, unlike the two forms of assault, described more fully in part 2.b., infra, voluntary and involuntary manslaughter are mutually exclusive, as one cannot kill both intentionally and unintentionally at the same time. Commonwealth v. Santos, supra at 288.
The defendant further claims that the prejudice he suffered due to the absence of a special verdict slip was compounded by the fact that the verdict slip failed to list the alleged victim, and because the judge failed to instruct on the issue of “intent.” The defendant cites no authority in support of either of these propositions, which renders them waived. See Mass.R.A.P. 16(a)(4), as amended,
The crime of assault by means of a dangerous weapon adds one additional element, i.e., that the assault was perpetrated with a dangerous weapon. See G. L. c. 265, § 15B(b). The defendant does not dispute that the truck was a dangerous weapon.
Because a motion for a required finding of not guilty would have been properly denied under either type of assault, the failure of the defendant’s trial counsel to make such a motion did not result in the defendant receiving ineffective assistance of counsel. See
Commonwealth
v.
Conceicao,
In conclusory fashion, without reasoned argument or citation to authority, contrary to Mass.R.A.P. 16(a)(4), and relegated to a footnote, see
Commonwealth
v.
Lydon,
