Ventura pd only asks if you have smoked in the last year. Dated a girl trying to become a cop and she used to joke about having to apply in another year after we partied hard.
Sold her crotch rocket, married an oil field worker that beats her, and pops a new kid out every year or so. Pot does weird things to you.
Also, every cop/sheriff I know smoked. Thats only like 8 people. But its not a disqualifier. Be honest and if you have kicked the stuff then good.