..., because: (1) the doctrine of constructive delivery is recognized under our state laws; and (2) defendant was guilty of acting in concert when he was present at the scene of the crime and acted with another...delivery or constructive transportation. We disagree. The doctrine of constructive delivery is recognized under our state laws. For example, the offense of delivery of a controlled substance is defined as..."the actual constructive, or attempted transfer from one person to another." N.C. Gen. Stat. § 90-87(7) (1999). Our courts have also recognized the concept of constructive delivery. See State v. Creason, 313 N.C. 122, 129, 326 S.E.2d 24, 28 (1985); State v. Thrift, 78 N.C. App. 199, 201, 336 S.E.2d 861, 862 (1985), disc. review denied, 316 N.C. 557, 344 S.E.2d 15 (1986). Thus, defendant's argument that there is no doctrine of...