Wayne Reisdorf  is standing right behind one of the Businesses. He will give to you a mission  of murdering one of the criminals.
Go to the place marked on your map and onto the roof . Kill the rapist there . In return you will get one call off police
Joey Katz  wants you to frame one on Tony Rosato men for a crime. You will find him in front one of the buildings .
He wants you to blow up one the Businesses . Do it  and you will receive a favour. Do it even if you own the place - it will be rebuilt after a couple of hours.
Pedro Ilievarra  is located near one of the diamond Businesses .
He wants you to steal some photos from the safe at the airport . Go there, find the room and steal the materials . In return you will be able to call off the police.
Lt. Gov. Robert Pizzo  is near a hospital, you will find him easily .
He will ask you to beat his opponent . Firstly bribe the policeman  and afterwards hit him with your fists.
Matthew Tilden  is at one of your places  - if it isn't yours, you can take it over.
He wants you to demolish one of the Businesses . Drive there and destroy some goods with a baseball bat  and you will receive an Xxxxx Swing in return.