Police on Monday searched the property of the brother-in-law of AC Milan and Italy great Paolo Maldini in a probe into criminal activities by ultras at Milan and Inter, sources said Tuesday, Ansa.it English reports.

The brothers Aldo and Mauro Russo, the former a brother-in-law of former Milan exec Maldini and the latter a business partner of his and of former Inter and Italy star striker Christian Vieri, appeared in the list of people searched yesterday during the blitz against the Inter and Milan ultra leaders.

Mauro Russo, according to what has been learned, is under investigation, while his brother Aldo is not.

As can be read in the request for precautionary measures by the Milan Prosecutor’s Office, Mauro Russo is said to have bribed, for parking deals near the stadium, Manfredi Palmeri, a member of ‘M.I Stadio srl’ and a regional councilor of Lombardy, now under investigation.