I believe the answer is Forming the jury panel or venire. These panel are the one that will give the votes to determine whether the defendant is guilty or not. Lawyers usually pick this panel really carefully and analyze Juries' personality in order to choose which one that will favor their clients.
Once a master jury list is created, the next step in selection of a jury is to select a subset of individuals to actually call to jury duty. All individuals can only be chosen once given a specific period of time. The selection is typically done at random
