Carl arrives at Sweet's house, where Sweet and Big Smoke are playing basketball. Sweet questions if Carl is really back for good. Sweet hands Carl a can of spray paint and tells him to go spray over enemy tags. Carl leaves as Sweet and Big Smoke resume their game.
Sweet suddenly decides to go with Carl and the two drive over to Idlewood. Sweet shows Carl how to tag over an enemy gang tag and tells Carl to go spray over two more tags in nearby while he keeps the car running. Carl sprays over the two tags nearby and then gets back into Sweet's car. The Johnson Brothers drive over to East Los Santos, which is Ballas territory. They arrive there and Sweet tells Carl to go spray over some more tags. Carl is left alone and encounters two Ballas in an alleyway right near a tag, who act hostile towards Carl after they see him spray over their tag. Carl escapes them and jumps a fence into another nearby alleyway. Carl climbs onto a small building, where he sprays over one final tag.
Afterwards, Sweet rushes back and tells Carl to quickly get in. Carl runs over to Sweet and they drive back to Grove Street. Carl and Sweet reach Sweet's house, to which Sweet gives Carl some money before splitting up.
One in-game day later after finishing this mission, a couple of things occur:
B Dup, an old member and friend of the Grove Street Families decides to go on the radio of WCTR News to talk about what he thinks about drugs, stating that, "There ain't enough drugs in the hood, and that's the real problem for people."
The murder of Officer Ralph Pendelbury has police who have just discovered his body searching for clues on who murdered him in the first place. As he worked for Internal Affairs, he had almost uncovered a huge corruption ring in the LSPD (mainly the detectives Frank Tenpenny and Eddie Pulaski, who have created the police group C.R.A.S.H. and become corrupted with power), but a police spokesman denied this claim, despite it being true.
CJ receives a phone call shortly after this mission by Officer Hernandez, the C.R.A.S.H member who works with Officer Tenpenny and Pulaski. He warns CJ that leaving town would be a "big mistake", and that they are watching him, which would likely explain the reason as to why CJ earns wanted levels when entering areas that has yet to be unlocked.
GTA San Andreas - iPad Walkthrough - Mission 3 - Tagging Up Turf (HD)
If CJ points any type of a gun on the two Ballas gangsters, they will raise their hands up indefinitely unless the player moves the aim away. Then the duo will begin to walk away, however after a few seconds they will turn hostile again and will chase the player, but can still be controlled again with the player's aims at them. The player can use this trick to avoid being attacked by the gangsters.
When being asked to spray the tag on top of the building the player can skip the tutorial of climbing objects by jumping at the right time directly in front of the tag above.
When Sweet drops Carl off at East Los Santos and drives away in his Greenwood to "roll on another hood", after Carl gets out of the car, Sweet will not move over to the driver's seat despite the car driving off.
If the player has already sprayed over the tags before the mission, they will be cleared and the tag counter will be reset until sprayed over again.
Sweet will not spray over any more tags during this mission, despite driving off to "spray over other tags around the area". The only tags sprayed will be the six during this mission (the five tagged by Carl and the demo tag by Sweet).
The Spray Can has unlimited capacity during this mission. Thus, it's a good idea to use it for immediately spraying every tag in Los Santos.
If Carl is morbidly obese with low muscle at the start of this mission, the player will have to find an alternate route to the rooftop to spray one of the tags as he will be unable to jump the second fence.
After being dropped off in East Los Santos, if the player goes back to Grove Street before spraying over the last three tags, Sweet's car can be found parked on the street, with Sweet sitting in the passenger seat. If the player destroys Sweet's car at this point, the mission will still fail.
If the player replaces the spray can with another weapon, the mission will fail, and Sweet will get out of the car and will walk like a normal pedestrian. He will also attack the player with his spray can if Carl shoots him in any way.