Vinnie informs Mike that the Mafia (likely the Leone Family) want a local drug pusher, Federico, taken out for using more of their product than he sells. Mike, realising he needs a weapon, heads to Ammu-Nation and purchases a pistol. He then chases down Federico, who is in Trenton. Mike kills Federico and is paged by Vinnie, asking him to return to the restaurant.
Post mission pager message
Vinnie: Come back to the restaurant, Mike. We need to secure transportation. Vinnie.