Stays stored in fatty tissue for as long as a month - stays attached to neuroreceptors for only a few hours.
tell it to the judge...
I have truth; you claim to have force. The drug debate in a nutshell.
That is the line the officer tells the defendant just put under arrest.
It is enough to arrest the person.
The fact it is in your system and can be shown to be regularly in your system will be considered by the jury.
In the meantime the pothead will be offered a plea bargan vs a chance at a probable conviction from a jury of people who are on jury duty. (retired older people and people who do not want to get out of jury duty)