Chopper 7 was over a home in the Briar Ridge subdivision, a gated community in Schererville.
There was a lot of activity in the driveway, with FBI agents on scene.
Agents were seen taking photos and carrying some items on Turnberry Lane.
Chopper 7 also captured agents at Gino's steakhouse in Merrillville.
ABC7 learned that the owner of the house is also the owner of Gino's steakhouse on Lincoln Highway in Merrillville.
Law enforcement from the IRS' criminal investigation division were at the restaurant.
The FBI released the following statement:
"This is an FBI-led, multi-agency operation, and court authorized law enforcement activity is occurring at multiple locations in Northern Indiana and other states."
"There is no known threat to the public connected to this. As this is an active investigation, we are not able to provide further details at this time."