Hеrman Page was convicted following a jury trial of first-degree felony murder (robbery), robbery, second-degree burglary, and two counts of second-degree murder. He appeals from the judgments of conviction (No. 94-CF-1142), and from the denial of a motion to vacate the judgment filed pursuant to D.C.Code § 23-110 (1996 Repl.) (No. 97-CO-246). Although Page raises a number of issues in these áppeals, only two require discussion because they present issues of first impression. Specifically, Page contends that the trial court erred: (1) by using the same robbery as both the predicate crime for the felony murder charge, and as the аggravating factor in sentencing Page to life without parole; and (2) in ruling that the government’s notice of intent to seek a sentence of life without parole met statutory and consti *891 tutional requirements. 1 We conclude that there was no error on the part of the trial court, and accordingly affirm both the judgments of conviction and the denial of the motion to vacate. However, we remand the case to the trial court to permit that court to vacate those convictions that merge with other convictions.
I.
Albert Beverly owned an apartment building and adjacent beauty salon in Southeаst Washington. On Saturday, July 3, 1998, Beverly ejected Page from one of the apartments, where he was staying as a guest of tenant Robert Arbuthnot. Beverly had earlier complained to the police that Page was “disorderly” and “didn’t belong [there].”
Vincent Kenney testified that he met Page at 8:00 p.m. that evening. Aсcording to Ken-ney, Page was agitated over the fact that Beverly had ejected him and would not let him return to retrieve his belongings. As the two men talked, Page repeatedly ran to a spot from which he could see the open door of the beauty salon and Beverly within. Before parting wаys, Page told Kenney that he was “going to get [Beverly] for putting him out” of Arbuthnot’s apartment.
Later that evening, Beverly was brutally murdered in the beauty salon. The medical examiner testified that Beverly had been beaten and kicked to death, and that his injuries were of a type and severity normally seen in “high-velоcity motor vehicle accidents.” The body, when discovered, lay in a large pool of dried blood, and large blood spatters were found on the wall behind the body.
Kenney testified that he saw Page again at 9:45 that night, with “blood all over his clothing and his hands.” Page told Kenney that “[h]e beat [Beverly] in the head.” Samuel Redman testified that, on the same night, he and Page entered the closed salon at Page’s suggestion in search of property they could sell. He testified that upon entering he saw a body on the floor in “a whole lot of blood.”
Beverly’s body was not discovered until the following Tuesday, July 6. Thе same day, numerous items from Beverly’s salon were found in Robert Arbuthnot’s apartment — a television, a space heater, two hairdryers, and a drawer containing combs and brushes. Police also found a rent check from hairstylist Annie Mae Gerald made out to Beverly, and Beverly’s keys and identification card. Ms. Gerald had left the rent check in an agreed-upon hiding place, under some jars in a drawer in the salon, before she left the salon the previous Saturday. Page’s fingerprints were found on all these items, and at the crime scene.
Following a jury trial, Page was convicted of first-degree murder/felony murder (robbery), second-degree burglary, robbery, and two counts of second-degree murder. 2 Page *892 was given consecutive sentences of life imprisonment without possibility of parole (“LWOP”) for the felony murder conviction, and five to fifteen years imprisonment for the second-degree burglary сonviction, to be served concurrently with sentences of five to fifteen years for the robbery conviction, and two terms of fifteen years to life for the two second-degree murder convictions.
II.
Page contends that the robbery, which was an element of felony murder, cannot also be used as the aggravating factor to raise his sentence to life imprisonment without parole under D.C.Code §§ 22-2404(a) and 22-2404.1 (1996 Repl. & 1998 Supp.). Page argues that using the robbery offense for both purposes amounts to “double counting” which violates the eighth and fourteenth amendments, because “a trial court сould find that every [felony murder] would fit the definition under § 22-2404.1(b)(8), and the code fails to create any restraint on the arbitrary and capricious infliction of the LWOP provision.”
First-degree/felony murder (robbery), as defined in D.C.Code § 22-2401, occurs when the accused “without purpose so to do kills another in perpetrating or in attempting to perpetrate ... [a] robbery.” Under D.C.Code § 22-2404(a), the punishment for first-degree murder is life imprisonment, “except that the court may impose a punishment of life imprisonment without parole in accordance with § 22-2404.1.” D.C.Code § 22-2404.1 provides that:
(a) If a defendant is convicted of murdеr in the first degree, and if the prosecution has given the notice required under § 22-2404(a), a separate sentencing procedure shall be conducted as soon as practicable after the trial has been completed to determine whether to impose a sentence of life imprisonment or life imprisonment without possibility of parole.
(b) In determining the sentence, the court shall consider whether, beyond a reasonable doubt, any of the following aggravating circumstances exist: ...
(8) The murder was committed while committing or attempting to commit a robbery
The presence of an aggravating factor allows the court to impose, in its discretion, a sentence of life without the possibility of parole.
Page has cited no binding authority holding that the same felony may not be used both as the predicate offense for the felony murder charge, and as the aggravаting factor in imposing life without parole under § 22-2404.1. Instead, he relies upon
Henson v. United States,
*893
Page also relies upon an Eighth Circuit case,
Collins v. Lockhart,
the fact that the aggravating circumstance duplicated one of the elements of the crime does not make this sentence constitutionally infirm. There is no question but that the [statutory] scheme narrows the class of death-eligible murderers and then at the sentencing phase allows for the consideration of mitigating circumstances and the exercise of discretion. The Constitution requires no more.
Id.
As with the statutes under review in Low-enfield, the District’s sentencing scheme, as embodied in §§ 22-2404 and 22-2404.1, narrows the class of murderers eligible for the District’s ultimate sentence — life without parole — to those convicted of first-degree murder. The statutes allow the trial judge to consider the presence of aggravating factors and mitigating circumstances, and to exercise discretion in imposing the LWOP sentence. 5 For Page, the commission of the robbery in addition to the murder “reasonably justified] the imposition of a more severе sentence,” and the trial court did not err by using the same robbery as the predicate crime for felony murder and as the aggravating circumstance for LWOP sentencing.
III.
Page also contends that the trial court erred in ruling that the government’s notice of its intent to seek a life without parole sentеnce was not defective. He claims further, and for the first time on appeal, that the notice failed to specify which particular aggravating circumstance the government intended to rely upon as the basis for this sentence, and therefore that he was prejudiced in evaluating his рretrial options.
D.C.Code § 22-2404(a) requires that the prosecution “notify the defendant in writing at least 30 days prior to trial that it intends to seek a sentence of life imprisonment without parole as provided in [D.C.Code] § 22-2404.1.” In the instant case, the government’s notice, filed December 29,1993, reads: *894 Page does nоt dispute that the notice was timely. However, he argues that this notice was defective because it did not specifically cite to § 22-2404.1, or state a particular aggravating circumstance.
*893 The United States ... hereby notifies the defendant and this Court that ... should he be convicted of first degree murder, the United States will seek a sentence of life imprisonment without parole pursuant to 22 D.C.Code 2404(a) (“The First Degree Murder Amendment Act of 1992”).
*894
We have noted, in the context of enhanced sentence based on prior convictions, that “[t]he purpose of the statute is (1) to give notice to the defendant so that he may reasonably assess whether to plead guilty or proceed to trial, and (2) to avoid the ‘unfairness’ of increasing the potential punishment after the trial has begun.”
Parker v. United States,
The notice advised Page that, if he was convicted of first-degree murder, the government intended to seek life without parole pursuant to § 22-2404(a), which explicitly references § 22-2404.1. The notice was filed three months before the start of Page’s first trial (whiсh ended in a mistrial) and six months before the start of his second trial. There is no requirement in either § 22-2404(a) or § 22-2404.1, or in any other statutory provision, that the notice set forth the specific aggravating factor or factors that the government intends to rely upon as the basis for a LWOP sentence. Moreovеr, we are aware of no authority requiring such specificity in the notice. Finally, Page has not shown that this so-called “defect” affected his pretrial decision-making or prejudiced his case in any way. Page had more than adequate notice of the government’s intentions so that he could fully and reasonably assess his options.
IV.
In sum, we reject all of Page’s contentions, and affirm the convictions and the order denying the motion to vacate. Because some of the convictions merge with the first-degree murder conviction, however, we remand to the trial court to vacate those convictions. 6
So ordered.
Notes
. Page’s other contentions can be dealt with summarily. First, we reject his argument that the government presented insufficient evidence to support the burglary and felony murder (robbery) convictions. There was sufficient evidence from which the jury could infer Page’s intent at the time оf entry,
see Lee v. United States, 699
A.2d 373, 383-84 (D.C.1997), and also infer that the robbery and the murder were part of one "continuous chain of events.”
Id.
. First-degree murder/felony murder, in violation of D.C.Code § 22-2401 (1998 Suрp.); robbery, in violation of D.C.Code § 22-2901 (1996 Repl.); second-degree burglary, in violation of D.C.Code § 22—1801(b) (1996 Repl.). Page was also charged with, but acquitted of, one count of first-degree premeditated murder and one count of first-degree/purposeful felony murder (second-degree burglary), also in violatiоn of D.C.Code § 22-2401. Page’s convictions on two counts of second-degree murder were as lesser included offenses of first-degree premeditated murder and first-degree/purposeful felony murder.
. Page also directs us to
State v. Cherry,
.
Collins
v.
Lockhart,
. Moreover, the imposition of the LWOP sentence in this case was anything but “arbitrary and capricious.” The trial judge conducted the required sеparate sentencing hearing for the felony murder conviction on September 15, 1994. He found not only that the government had proven beyond a reasonable doubt the aggravating circumstance of the murder having been committed during the commission of the robbery, but also that the murder of Beverly "wаs especially heinous, atrocious and cruel,” another aggravating circumstance permitting the imposition of a LWOP sentence under § 22-2404.1(b)(4). The trial court, however, did not base the LWOP sentence on this latter factor.
. As we have suggested in these circumstances, the trial court sentenced Page on all counts on which he was convicted, without regard to the possible merger of some of the offenses.
Garris
v.
United States,
