In Goldenrod City, there is no cop guarding the radio tower. In Lavender Town, it is impossible to get past the cop. You do not even need to get past that cop.
You cannot get past the cop at the Lavender Town radio tower. The guard is always going to be standing in front of the elevator. The cop tells you that the increase in criminal activity in radio towers prompted him to guard the elevator.
you cant get him away
Go underground and talk to the team rocket man and he will put you in a team rocket uniform. Then go back up.
After you give the machine part to the manager in the power plant go to the Kanto Radio Tower in Lavender Town and talk to the man next to the police cop and after that look in the middle-top of your radio in your pokegear and since the poke flute does not exist in Pokemon Soul Silver you can listen to the poke flute on your radio
You don't until you defeat the 7th Gym (Pryce - Ice Gym) you'll get a call about odd radio frequencies, when you try to put on the radio all you'll get is Team Rocket, which is hinting you to go to Goldenrod, where they are littered all around the city, to get rid of them you'll have to go underground and get the Team Rocket Uniform, then make your way past the Rocket Guard in the Radio Tower, defeat all of team rocket and the guard will be gone from there!
Murder
Act normal
The band is Starship.
You go to celadon city and talk to the old lady in the tower
play pokemon tower defence 2 on hacked arcade games and talk to the cop then battle him and he will let you go to the ruins
to get past the cop, you have to go to the mask and cape shop. find the dude in the pink shirt with scissors.he's to the left. then he willl give you your identification card. next you go to theprison. its waay to the left, right past the water. talk to the girl (the scientist) and she'll give you handcuffs. the cop will now let you through.
beat johto gyms 1-7 and then go to lake of rage above mohogany town.surf to the center of the lake and beat the red gyrados.then lance will ask you to help him beat the rocket base below the shop in mahogany.once you beat it, the prof will call you and tell you that the rockets have invaded radio tower.fight your way up and the man has dissapeared.beat the radio tower, go to the underground place and unlock the "emergency door" do the switches correct and you will get to the basement under the mart in goldenrod. walk around to find the director.