Medical marijuana brings bedlam to some California communities

California’s medical marijuana industry is fraught with unlicensed dispensaries and illegal pot as voters prepare for possible recreational legalization next year.

East New York: It's still a target for marijuana possession

The New York City administration and police decriminalized minor marijuana possession, but the racial disparity within the violations persists.

Marijuana possession arrests charted over three decades

Possession arrest rates doubled during the 1990s, and only recently began to subside. Explore data spanning 34 years to see how states compare.

Avoyelles Parish: Where poverty, race and drugs collide

Blacks in one Louisiana community are more likely than whites to be arrested for marijuana possession, and are frequent targets of the so-called “Jump-Out Boys."

Marijuana pushes the limits in the inexact science of DUID

Law enforcement deals with impaired drivers every day. But discrepancies in legal limits and testing procedures vary from state to state.