helicopetrs are only used in big growing oprations, not something really small like yours so take it easy, i think they were trying to find someone else, maybe taking pictures of one o your neighbors or something like that... The government of any country dosnt expend tons of money in a stupid bust, that in court you can get out of it easyly. They try to nail big fishes, when they use a helicopters and everything.

right now take it easy, and dont act suspicious everytime you see a cop, dont be like "oh shit this cop is watching me because he knows im growing" because you maight rize a suspect....