Need to get terminology correct first.
Do you plan on going after swarms only? A swarm being a bunch of bees with out a home.
Or will you also be going after established colonies? Bees that have made a home in walls, wells, gas tanks, water heaters, cardboard boxes, eaves of houses, old tires, some where in an abandoned vehicle, in a hollow tree trunk, just any where a bee can get and start making a hive.