Well known vigilante Alex R is in Chandler.

Modus operandi is that Alex R posts a decoy 18 year old on Meet24, then Alex R obtains the hobbyists phone number and does a reverse search to find his address.

Then Alex R send child porn to the hobbyist and then shows up unannounced and attempts to "assist" the hobbyist with removing illegal files on his phone.  Alex R then connects the phone to cable in his Blue Toyota Sienna Van with Texas plates and adds more child porn.  Alex R then has his assistant in the Sienna Van call LE to have the hobbyist arrested while being filmed for his kick page "predator poachers" and for youtube revenue.  

Alex R currently is prosecuting a sting case based out of Scottsdale against a hobbyist