Other: If you enter the police station in Dillimore (in Red County), the loading screen states you're entering "LSPD HQ", which isn't correct. LSPD HQ is in Los Santos, in Pershing Square. However, the two stations are identical in appearance, and the only major difference is Dillimore's police station has the "Country-style" cops while LSPD HQ has the "City-style" cops.
Great sites
Mistakes
In the mission where you go to meet some leaders of the rival gang on the first island (at the motel) and the cops bust it up, a helicopter with 'LAPD' written on the side flies over, which should be LSPD. See more...
GTA: San Andreas mistakes
Other: In the mission where you go to meet some leaders of the rival gang on the first island (at the motel) and the cops bust it up, a helicopter with 'LAPD' written on the side flies over, which should be LSPD.
Other: In any cut scene where a pistol is used it appears black. but when the mission starts and you use it, it is silver.