The gatherings are usually coordinated through social media.
The suspect may have used deceptive sales practices related to residential solar panel services.
Tarrant County 5 Stones Taskforce will feature a panel discussion at its April meeting.
The free event held in support of Autism Awareness Month allows families to interact with a variety of vehicles in a calm environment.
'This type of violence will not be tolerated.'
Anyone who has concerns about messages requesting payment should contact Fort Worth Municipal Court.
Police Chief Eddie Garcia said this is a year-round issue affecting residents citywide.
The test will not occur if severe weather or a real emergency is happening.