Appellant contends that the evidence was insufficient to sustain his convictions, and that the lower court erred in imposing separate sentences for burglary and criminal trespass. We find that the evidence was sufficient, but that the sentences for burglary and criminal trespass merged and, accordingly, vacate the judgment of sentence for criminal trespass and affirm the others.
*407 Appellant was convicted of burglary, criminal trespass, and conspiracy arising from an incident on November 21, 1979. Following denial of post-trial motions, the lower court sentenced him to concurrent five-year terms of probation for burglary and conspiracy, and to a suspended sentence of six to twenty-four months imprisonment for criminal trespass. This appeal followed.
When an appellant challenges the sufficiency of the evidence supporting his conviction we must view the evidence in the light most favorable to the Commonwealth as verdict winner, accept as true all the evidence and reasonable inferences upon which the factfinder could properly base its verdict, and determine whether the evidence is sufficient in law to prove every element of the crimes charged beyond a reasonable doubt.
Commonwealth
v.
Davis,
Appellant contends that the evidence was insufficient to sustain his convictions for conspiracy, burglary, and criminal trespass. We disagree. “The essence of every conspiracy is a common understanding, no matter how it comes into being, that a particular criminal objective be accomplished. Although the evidence must show more than mere association, ‘[a] conspiracy may be inferentially established by
*408
showing the relation, conduct, or circumstances of the parties, and the overt acts of the co-conspirators have uniformly been held competent to prove that a corrupt confederation has in fact been formed.’ ”
Commonwealth
v.
Henderson,
Appellant contends also that he may be subjected to only one sentence for his convictions for burglary and criminal trespass because they arose from only one criminal act.
1
*409
We agree. “[I]n merger of sentence cases, we focus not only on the similarity of the elements of the crimes but also, and primarily, on the facts proved at trial, for the question is whether those facts show that in practical effect the defendant committed a single criminal act, in which case there will be a merger and only a single sentence may be imposed.”
2
Commonwealth v. Crocker,
Judgment of sentence for criminal trespass at no. 1639 is vacated. Judgments of sentence for burglary at no. 1638 and criminal conspiracy at no. 1640 are affirmed.
Notes
. Appellant did not argue merger below. Despite that failure, however, his contention is not waived.
Commonwealth v. Walker,
. For purposes of indictment, governed by a comparison-of-the-elements test, criminal trespass is not a lesser included offense of burglary, and must be indicted separately as was done here.
Commonwealth v. Carter,
. Burglary and conspiracy to commit burglary are felonies of the first degree. Criminal trespass is at most a felony of the second degree. 18 Pa.C.S.A. §§ 903, 3502, 3503.
