In this week’s FOIA round-up, records show federal law enforcement officials combine facial recognition software with drivers liscened databases to track undocumented immigrants, an admiral slated to become the next U.S. Navy chief abruptly retires after damaging emails are released, and legal rights groups raise questions about the constitutionality of gang policing.

Fourteen organizations have joined in on a public records lawsuit calling for the release of the Boston Police Department’s “gang” database, which the group claims labels, tracks, and shares information about young people it alleges to be involved in gangs.

Last week, a newly discovered report left Florida struggling to explain how a year passed before anyone noticed it was issuing concealed carry permits without a federal background check, while Immigration and Customs Enforcement emails suggest that Attorney General Jeff Sessions may have misrepresented the expected yield of recent raids in California.

Public records helped tell some important stories this week, ranging from the hidden dangers of the food we eat to the data that increasingly shapes our lives. Here’s some inspiration for your own transparency fight.

Earlier this month, Insane Clown Posse fans marched on Washington D.C. to protest the FBI’s 2011 designation of Juggalos as a “loosely-organized hybrid gang.” However, Bureau files show that ICP first came on the FBI’s radar three years earlier, when the Bureau threat assessment of the annual Gathering of the Juggalos included allegations that the Family was engaged in a full-on turf war with MS-13.