Stubbs' Dirty Laundry is a group of side missions given to Johnny Klebitz by Politician Thomas Stubbs via cell phone in The Lost and Damned. The order in which these missions occur is completely random. Completing each of these five missions earns you $1000 and counts towards 100% completion of the game.
Stubbs wants you to kill one of his politician friends at the Superstar cafe.
Once you've arrived, go inside the cafe, and halfway down the stairwell on the right, where the guards can't directly shoot you. At this point, proceed to kill the politician, and any guards that come in your line of sight. After he's dead, you're free to make your getaway, and the mission will end once you drive far enough from the cafe.
Stubbs wants you to steal Bryce Dawkins car and get it fitted with a bug. He says you might have to go off radar to get it done.
Grab a vehicle and make your way to Bryce's house in Westdyke where you'll find Bryce's orange Infernus. Get in it, and drive it to the complete opposite end of Alderney (at the Acter Industrial Park) where you will be able to get it fitted with a bug. If the car is damaged on route to the Alderney Industrial Park, the car will be fixed on the spot as well.
Once it's been bugged, you'll have about 3 or 4 real minutes to get it back. This time, though, you can't scratch the car or Bryce will know something's up. Every time you get a message telling you what time the vehicle has to be back, it means you've got a minute less real time. Drop it off at his house, then move about a block away.
At some point after the mission, you'll receive a text message from Stubbs giving you a number to call if you want to listen into the bug in Bryce's car. Giving it a call will allow you to listen to various random situations, like Bernie Crane singing Jill Scott's "Golden" while shouting at traffic. During one of these eavesdropping sessions, Crane also mentions Gay Tony's Bodyguard Luis Fernando Lopez, saying "If he played for our team, I would totally be a catcher". In the last couple of calls Niko can be heard driving around at high speed, yelling and shooting at police pursuers. This is because Bernie Crane gives the car to Niko as a way of saying thank you for helping him out.
Stubbs wants you to rescue a CEO of a company who has been earning a bit more money than she should have.
Grab a vehicle and get to the CEO. The police have blocked off all of the alleyway entrances and exits, so you'll have to kill all of the cops and fight your way into the alley.
Once you get inside, kill all of the cops near-by, then stand behind the CEO and uncuff her. Once she's free, she'll get in the car, so get in it with her and drive out of the alleyway.
You'll be told to take her to the helipad above the Booth Tunnel, so make your way there. Once you get there, you'll have to defend the helicopter from the attackers, although it only takes her about 5 seconds to take off so you should be fine.
She'll fly out to sea and get on her yacht.
Stubbs wants you to snap a photo of a fellow politician picking up prostitutes.
Grab a vehicle and get to the alley near the red light district. Once you arrive, you'll be told to get up to the roof for a good view. Head into the alley and up the steps, then climb on the wooden box and pull yourself up onto the roof. Stand in the mission marker and Johnny will call Stubbs. He tells you that the person he wants you to photograph is driving a red Cognoscenti.
After a minute or so, the politician will arrive. Wait until the hooker is talking to him, then snap a photo. If you did it right, you'll be able to send it to Stubbs. After a short while, the car will drive off and you'll receive your payment.
Stubbs needs you to take out someone who is going to talk to the press about sensitive information.
You'll have about a minute and a half to reach the destination, wherever he is, so quickly make your way there. Once you arrive, he'll tell you that you're going down for a long time and try to escape.
Simply speed after him and shoot him through the window or blow his car up (if you're fast enough and are armed with an RPG, you can take him out while he's just starting to drive away). Once he's dead, you're done.