In this week’s FOIA round-up, the Department of the Interior staff emails show employees were interested in the Federal Bureau of Investigation’s “500-page per month” policy, the Associated Press created a new dataset by collecting information from each state to see why people wanted a medical marijuana card, and an Arkansas judge rules that a clerk broke state public-records laws, but cites as extenuating circumstances the clerk was acting on advice that they had received from state judicial authorities.

In this week’s FOIA round-up, a photographer used Federal Bureau of Investigation records to track down the location where a man was murdered 50 years ago for a photo project on the white power movemnt, medical marijuana registry data shows a decline in the rate of medical marijuana patients, and the New York Times Editorial Board calls for a repeal of law that keeps police misconduct records secret.

Large crowds arrived at Salem’s Alternative Therapies Group last Saturday as it opened its doors to recreational marijuana sales. Increased security and police activity is expected in the area, yet crime incident reports obtained by MuckRock point to a history of minimal criminal activity around current medical marijuana dispensaries and future retailers.

Is taking out a patent on the medical uses of marijuana’s primary drug component an acknowledgement that, yes, marijuana has some health-beneficial effects? Not according to the DEA.

MuckRock has already obtained one slide deck on enforcement of the Controlled Substances Act in states that have legalized marijuana use. So we were surprised to hear that the Drug Enforcement Agency didn’t have any.

The Massachusetts Department of Public Health has so far refused to disclose documents that might clear up its dispensary approval and scoring process. Documents released so far leave a number of questions, down to basic arithmetic.

In the wake of Sanjay Gupta’s marijuana mea culpa, older emails outline the National Cancer Institute’s tussle with the National Institute on Drug Abuse in 2011 over the dangers — and benefits — of medicinal pot. While the final version carried only limited revisions, its authors pushed back against allowing “politics to trump science.”

On the morning of the April 2, 2012 shooting at Oikos University that killed seven people, Oakland police also faced managing protesters during a federal raid on six cannabis dispensary sites.