Wait until players hear police sirens off in the distance. An alternative option is to stay put inside of a vehicle, as when he does spawn, players will have to pursue him. Explore the world of Los Santos in free mode.
Important though, if players are able to get him to successfully spawn and he or the player dies, they will be given another chance for him to spawn again at a later time. Players do not need to purchase arcade in order for him to spawn. Aside from this, getting him to spawn in completely random. There must be at least three people in an active session. There are a few minor criteria in order for him to appear though. Packie McReary is a unique case in Grand Theft Auto 5 Online, as there's no specific way or location to find him.