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.

The case was brought by Alison Taylor, a Michigan woman whom the court describes as a "frequent recipient of parking tickets." The city of Saginaw, Mich., like countless other cities around the country, uses chalk to mark the tires of cars to enforce time limits on parking.

Updated at 2:25 p.m. ET

The Islamic State has claimed responsibility for the devastating Easter Sunday bombings in Sri Lanka, according to a posting by the group's Amaq news agency Tuesday.

Without offering evidence of its involvement, the group commonly known as ISIS said the suicide attacks that killed more than 320 people were carried out by "fighters of the Islamic State."

With Meghna Chakrabarti

The Supreme Court will review a challenge to the citizenship question on the U.S. census. We look ahead to what’s at stake.

Guests

Hansi Lo Wang, national correspondent for NPR who covers the 2020 census. (@hansilowang)

Updated at 9:53 a.m. ET

Massachusetts Rep. Seth Moulton is joining the large 2020 Democratic presidential field, touting a record of military service, bucking his party and arguing for younger leadership.

"The greatest generation saved our country from tyranny. It's time for our generation to step up and do the same," Moulton said in an announcement video posted early Monday.