The next time parking enforcement officers use chalk to mark your tires, they might be acting unconstitutionally. A federal appeals court ruled Monday that “chalking” is a violation of the Fourth Amendment. Read the full article at NPR.

The city of Hagerstown announced the reduction of the speed limit on Hagers Crossing Drive from 30 to 25 miles per hour. With the recent addition of Jonathan Hager Elementary School, the speed limit has been adjusted to comply with traffic safety policies within school zones in the city. A speed camera has been on this road since March of 2017. Read/Watch the full article at LocalDVM.

The presence of THC in blood is not correlated with driving performance and is not a reliable indicator of psychomotor impairment, according to recommendations made by a state-appointed traffic safety task force. A report issued by the Michigan Impaired Driving Safety Commission finds that peak THC blood levels are not associated with maximal behavioral impairment and further finds that the compound’s influence upon driving performance varies significantly among individual consumers. ...

Do you know where you were five years ago? Did you have an Android phone at the time? It turns out Google might know—and it might be telling law enforcement. […] The data Google is turning over to law enforcement is so precise that one deputy police chief said it “shows the whole pattern of life.” It’s collected even when people aren’t making calls or using apps, which means it can be even more detailed than data generated by cell towers. ...

Investigators have been tapping into the tech giant’s enormous cache of location information in an effort to solve crimes. Here’s what this database is and what it does. Read the full article at the New York Times.

View on YouTube. Video by WeAreChange with Luke Rudkowski and Jason Bermas.