It is advised to destroy the 'Duggan Shipments'. On the other hand, going in guns blazing might seem to be trickier with the guns Karl Abolaji sources out. In both the Silent and Big con approaches, you want little to no run-ins with the guards, or perhaps going for melee/headshots, thus making the firepower unimportant.
✅This is more a personal preference rather than a recommendation but once you got the hang of it you can pretty much cheap out on Gunman and Driver. The location of each jammer is marked in the picture below. Your best bet is a vehicle with lock-on missiles. They're easily recognizable by their red lights and sound emission, which are taken down by either bullets or any kind of explosives. They must destroy them in order to have Avi come out of hiding. Fifty signal jammers are spread out throughout the map. Such an easy task for the best and most paranoid hacker in the game. ➥Although for me, the police van showed up around Vinewood Hills on the curvy roads leading out of the city You Tool Hardware Store in Blaine County.Outside the main entrance to Fort Zancudo.The event takes place in random locations around the map, being marked by a blue dot on the radar as you get close to it- usually between 12:00 AM and 7:00 PM.
While this event occurs in free-roam, missing it out or failing it in any way, requires finding a new session. Patrick happens to be transported by a police van around LS.